HOTO Flexi
TM
Cordless Spin Scrubber
Important, retain for future reference: read carefully.
Thank you for choosing the HOTO Flexi
Cordless Spin Scrubber .
Please read this manual thoroughly before
use and keep it properly.
The image is for reference only. The actual
product takes precedence.
01
01 Product Introduction
Power & mode button
USB-C® charging port*
Extension rod
Auxiliary controls
Battery cover
* USB Type-C® and USB-C® are registered trademarks of
USB Implementers Forum
* The unassembled rod retains the auxiliary controls. Store it properly to prevent accidental startup.
* Due to energy-saving design, power-on via the auxiliary controls incurs a random 1‒3 s delay
(long press required).
Large Flat brush
Suitable for large
surfaces, from tile walls
to floors, indoors and
outdoors.
Pointed brush
Suitable for cleaning
dirt in the corners,
gaps and grooves of
sinks and faucets.
Scour pad
Ideal for removing
stubborn stains from
cookware, stovetops
and other kitchen
surfaces.*
Ball brush
Suitable for brushing
curved surfaces such
as bathtubs, wash
basins, sinks.
Sponge pad
Suitable for cleaning
glass, mirrors, and
leather surfaces.
Cloth pad
Suitable for delicate
surfaces like tabletops
and floors, clean more
stains in one swipe.
2
6
Screen
5
1
3
Locking cover
4
7
8 9
10
11
12
13
Velcro adapter
for pads
For replacing fabric
cleaning pads.
02
Synthetic fiber pad
Suitable for leather
surfaces such as sofas.
Notes:
• Brush heads and fabric attachments are consumables. Purchase replacements via official
website/online platforms.
• To avoid scratching or damaging the object being cleaned, please choose a suitable brush
head. Before use, be sure to conduct a spot test to ensure safety.
• Attach the scour pad, sponge pad, cloth pad and synthetic fiber pad to the Velcro adapter.
• For optimal performance, use scour pad, sponge pad, cloth pad and synthetic fiber pad
when damp. Prolonged dry use may cause irreversible damage to the product.
* This product has strong scrubbing power. Avoid using it on easily scratched surfaces such as
polished metal or non-stick coatings.
14 15
Angle adjustment
Press the button on the side of the
brush head. The device offers 5
adjustable angles—adjust to a suitable
angle for use.
�� Use of Product
Fully charge this product before first use. Charge the product with a USB-C
charging cable and a compatible power adapter.
The product is provided with a USB-A to USB-C charging cable.
* Do not use the product while it is charging.
Charging
Gently place the brush head onto the main unit's interface, it will automatically
attract via magnetic connection.
Power on/off
Long-press the power button to turn on/off.
Gear adjustment
Short-press the power button during operation to switch modes.
High-speed gear: the screen displays
Low-speed gear: the screen displays
* Ensure the USB-C rubber seal is properly inserted before use.
Installation of scrubber heads
03
Correct installation: The sides of the extension rod and main unit must face the
same direction.
1
2
3
1
2
3
Installation of the Extension Rod
Installation and removal
Removal: Please pull out the locking cover first. And hold the extension rod
and rotate it counterclockwise until fully unlocked.
Extension rod length adjustment
Hold the assist control switch on the
extension rod and rotate the handle to
unlock for length adjustment:
Rotate counterclockwise to loosen and
extend the rod.
Rotate clockwise to tighten and lock the
length.
Power on/off and gear adjustment
Long press the auxiliary control to turn on/off; short press to switch gears.
Auxiliary control pairing
Pairing: While the device is charging, press and hold the unit button for three
seconds. The screen will display “ ” to indicate pairing mode. Then press and
hold the remote control button for approximately four seconds to complete
pairing. Once the pairing is successful, the screen will return to the battery level
display.
Auxiliary control introduction
Installation: Insert the extension rod into the main unit and rotate clockwise
until fully locked. Then, push the locking cover toward the main unit until it
clicks into place.
Unpairing: While the device is charging, press and hold the unit button for three
seconds. The screen will display “ ” to indicate pairing mode. If no further
action is taken, the screen will return to the battery level display after 30
seconds, indicating that the remote control has been successfully unpaired.
04
03 Warnings
• Do not disassemble, open or chop tools.
• Do not expose products to heat sources or flames. Do not store in direct sunlight.
• It is forbidden to make products undergo mechanical shock.
• If the battery leaks, avoid making the leaked liquid come into contact with your
skin or eyes. In case of contact, rinse the affected area with a large amount of
water and seek medical help promptly.
• The battery has the best performance using at normal temperature(25°C±5°C).
• Save the original instructions for future reference.
• Dispose of the battery properly. Before disposing of the product, the battery must
be removed from the product by a professional and disposed of safely.
• This product is not a toy. Children are prohibited from using it. The minimum
recommended age for use is 16 years.
• Dispose of the battery pack properly and in an environmentally friendly way.
Ensure the device is powered off before removing the battery pack.
Auxiliary control pairing
Pairing: While the device is charging, press and hold the unit button for three
seconds. The screen will display “ ” to indicate pairing mode. Then press and
hold the remote control button for approximately four seconds to complete
pairing. Once the pairing is successful, the screen will return to the battery level
display.
Battery replacement
Open the battery cover and use a PH 2 screwdriver to loosen the screw for
battery replacement.
* This product uses CR2025 coin button / cell battery. For optimal performance, please use
branded batteries
1
2
3
CR
2025
PH 2
Unpairing: While the device is charging, press and hold the unit button for three
seconds. The screen will display “ ” to indicate pairing mode. If no further
action is taken, the screen will return to the battery level display after 30
seconds, indicating that the remote control has been successfully unpaired.
05
• The main unit is rated IPX7. The extension rod is rated IPX4, which protects it
against water splashes and direct sprays. The brush head is submersible. For
long-term performance, store the product in a dry environment.
• When cleaning the plastic parts of the brush body, avoid friction with surfaces to
prevents cratch marks.
• Different brush heads are designed for different surfaces. Please refer to the
manual to avoid incorrect use.
• Keep loose hair away from the rotating brush head during use to prevent tangling.
• Avoid using strong acidic or alkaline detergents during use, as they may cause the
product to crack or become damaged.
Button Cell / Coin Battery Warnings
1. Remove and immediately recycle or dispose of used batteries according to local
regulations and keep away from children. Do NOT dispose of batteries in
household trash or incinerate.
2. Even used batteries may cause severe injury or death.
3. Call a local poison control center for treatment information.
4. Battery type: CR2025，Nominal battery voltage: 3V.
5. Non-rechargeable batteries are not to be recharged.
6. Do not force discharge, recharge, disassemble, heat or incinerate, Doing so may
result in injury due to venting, leakage or explosion resulting in chemical burns.
7. Ensure the batteries are installed correctly according to their polarity (+ and -).
8. Remove and immediately recycle or dispose of batteries from equipment not
used for an extended period of time according to local regulations.
9. Always completely secure the battery compartment. If the battery compartment
does not close securely, stop using the product, remove the batteries, and Keep
them away from children.
10. Do not mix old and new batteries, different brands or types of batteries. such as
alkaline, carbon-zinc, or rechargeable batteries.
11. This product contains a button battery. If swallowed, it could cause severe injury
or death in just 2 hours. Seek medical attention immediately.
Fault Cause
Device not working/
suddenly stops
working while in use
Unable to charge
Auxiliary controls
not responding
1.The lithium battery runs low
2.Current device temperature
is too high
1.The USB cable is not plugged
in properly, or the charging
cable is not the designated one
2.The device temperature is too
high
1.Please charge the device in time
2.Use after the device cools down
1.Please replace adapter and
charging cable to charge
2.Allow the device to cool for 30
minutes before recharging
Troubleshooting
Machine reports
fault
After-sales service during
warranty period
After-sales service during
warranty period
Machine reports
fault
Faults and troubleshoot
1.Auxiliary controls battery is
dead or auxiliary controls is not
paired properly
2.Reverse polarity detected
1.Replace the battery or re-pair the
auxiliary controls
2.Please insert the battery with the
positive terminal facing up
NTC device failure
Motor or MOSFET failure
Rated input: 5V 2A
06
Product name: HOTO Flexi Cordless Spin Scrubber
Product model: QWQJA08
Product dimension: Approx. 1368.4×64.2×60mm (Main Unit+Extension Rod)
(Approx. 53.87 × 2.53 × 2.36in)
Net weight: Approx. 1000g (Main Unit+Extension Rod) (Approx. 2.20lb)
Product color: Grey black
Main Unit Waterproof: IPX7
Typical Low gear no-load speed: 170 ±10% r/min
Typical High gear no-load speed: 245 ±10% r/min
Storage temperature: -10℃‒45℃
Operating temperature: -10℃‒45℃
Battery type: Lithium-ion battery
Charging time: Approx. 170 minutes
Battery capacity: 4000mAh 14.4Wh
Nominal voltage: 3.6V
04 Basic Parameters
Charging temperature: 5℃‒40℃
Product accessories:
Large flat brush: Approx. φ130×56.7mm (φ5.12 × 2.23 in)
Ball brush: Approx. 120×68.3mm（φ4.72 × 2.69in）
Pointed brush: Approx. φ58.5
×91.6mm（φ2.3×3.61in）
Sponge pad
×2: Approx. φ150×15mm (φ5.91×0.59 in)
Scour pad: Approx. φ150
×10mm (φ5.91×0.39 in)
Cloth pad: Approx. φ150
×15mm (φ5.91×0.59in)
Synthetic fiber pad: Approx. φ150
×8mm (φ5.91×0.31 in)
Velcro adapter for pads: Approx. φ130
×27.6mm (φ5.12×1.09 in)
Brush head storage bag: Approx. 260
×310mm (10.34×12.20 in)
Charging cable: USB-A to USB-C/300mm (11.81in)/black
Notes for packaging
The packaging materials are recyclable. Please dispose of
packaging in an environmentally friendly manner.
The wireless operation frequency: 433.92MHz,
Max output power ≤14dBm(E.R.P)
Disposal and recycling information
All products bearing this symbol are waste electrical and electronic
equipment (WEEE as in directive 2012/19/EU) which should not be
mixed with unsorted household waste. Instead, you should protect
human health and the environment by handing over your waste equipment
to a designated collection point for the recycling of waste electrical and
electronic equipment, appointed by the government or local authorities.
Correct disposal and recycling will help prevent potential negative
consequences to the environment and human health. Please contact the
installer or local authorities for more information about the location as well
as terms and conditions of such collection points.
07
05
Regulatory Compliance Information
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
This device complies with part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) This device may not cause harmful interference,
and (2) this device must accept any interference received, including interference
that may cause undesired operation.
Note:This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interference by one or more of the
following measures:
This supplier’s declaration of conformity is hereby for
We declare that the above mentioned device has been tested and found in
compliance with CFR 47 Part 15 Regulation.
Product: HOTO Flexi Cordless Spin Scrubber
Model Number(s): QWQJA08
Brand/Trade: HOTO
Federal Communications Commission Supplier’s
Declaration of Conformity
Representative of Responsible Party for SDoC
Company: HOTO (US) TECHNOLOGY CO LTD
Address: 919 North Market Street,Suite 950,Wilmington DE 19801
Country: U.S.A.
Customer Service(US): +1 855-577-2659 [email protected]
Mon-Fri 9: 00am-5: 00pm(CST)
Language spoken: English
FCC Warning:
Any changes or modifications not expressly approved by the party responsible
for compliance could void the user's authority to operate the equipment. This
equipment complies with RF radiation exposure limits set forth for an
uncontrolled environment.
The device has been evaluated to meet general RF exposure requirement.
The device can be used in portable exposure condition without restriction.
Connect the equipment into an outlet on a circuit different from
the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
08
Europe — EU declaration of conformity
We, Shanghai HOTO Technology Co., Ltd., hereby, declare that this
equipment is in compliance with the applicable Directives and
European Norms, and amendments.
DECLARATION OF CONFORMITY
EU Declaration of Conformity
We
Shanghai HOTO Technology Co., Ltd.
Declare that the product:
HOTO Flexi Cordless Spin Scrubber / QWQJA08
Complies with the essential health and safety requirements of the
following directives:
2014/30/EU Electromagnetic Compatibility directive References to the
following harmonized standard were made:
2011/65/EU+ (EU) 2015/863 Restrictions of the Use of Certain
Hazardous Substances in Electrical and Electronic Equipment
Authorised signatory and technical file holder:
Shanghai HOTO Technology Co., Ltd.
Building 45, No.50 Moganshan Road,Shanghai, China.
EN55014-1: 2021
EN55014-2: 2021
EN IEC 61000-3-2:2019+A1:2021
EN 61000-3-3:2013+A2:2021
• INGESTION HAZARD:This product contains a button cell or coin battery.
• DEATH or serious injury can occur if ingested.
• A swallowed button cell or coin battery can cause Internal Chemical
• Burns in as little as 2 hours.
• KEEP new and used batteries OUT OF REACH of CHILDREN
• Seek immediate medical attention if a battery is suspected to be
swallowed or inserted inside any part of the body.
WARNING
