
Manual
Product Specifications
1. Working Voltage: DC 3.7V
2. Charging Voltage: DC 5V/1A
3. Frequency Range: 2402 - 2480 MHz
4. Charging Time: Approximately 2 hours
5. Playback Time: 100% volume, lights on 6H, lights off 46H, lights off with ANC on 31H,
lights on with ANC on 5H
6. Bluetooth Version: V5.4
7. Audio Decoding Format: AAC/SBC
8. Microphone Sensitivity: -42±3DB
9. Working Range: Approximately 10-15 meters
Product Operation
For first-time use, fully charge the headset battery. To charge, insert the USB charging
cable into the charging port and connect to a power source. The indicator light will
illuminate during charging and turn off when charging is complete (approximately 2
hours).
When the headset battery level is below 3.3V, a voice prompt will sound; please charge
the headset promptly.
Power On/Off
1. Power On: Press and hold the power button for 3 seconds. The blue light will illuminate
for 1 second and then turn off, followed by alternating red and blue flashing lights,
indicating readiness for Bluetooth connection.
2. Power Off: Press and hold the power button for 3 seconds. The red indicator light will
flash twice and then turn off.
Bluetooth Usage
Bluetooth mode provides wireless music playback functionality.
In Bluetooth mode, the indicator light will show blue and red lights. Turn on the Bluetooth
function on your mobile phone and search for the device name SW128.
Select to connect. After successful connection, you can play music and make phone calls.
Bluetooth Mode
1. Answering Calls: When a call comes in, single-click the multi-function button to answer.
2. Ending Calls: Press and hold the multi-function button to end the call.
3. Rejecting Calls: When a call comes in, press and hold the multi-function button (power
button) to reject the call.
3. Press and hold the (+) or (-) buttons to select the desired song.
4. Single-click the multi-function button (power button) once to play/pause music; press
again to resume playback. 5. Click the (+) or (-) volume buttons to adjust the volume.
6. Voice Assistant: Triple-click the multi-function button (power button) (if your phone

supports this function).
7. Redial Last Number: Double-click the function button to automatically redial the last
dialed number.
ANC Mode
1. Click the ANC button; the green indicator light will stay on, entering noise cancellation
mode. Click the ANC button again to exit noise cancellation mode.
LED Mode
1. Click the LED button to enter LED mode. Click the LED button again to exit LED mode.
Wired Headphone Function
Insert the 3.5mm audio cable into the audio jack, and then plug the other end of the audio
cable into your computer or other music device to use it as wired headphones. When
using wired headphones, the MP3 and Bluetooth functions will not work, and you cannot
adjust the volume through the headphones.
FCCWarning
This device complies with part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) This device maynot cause harmful interference, and (2) this devicemust accept
anyinterferencereceived,includinginterferencethatmay
causeundesiredoperation.
Note: This equipment has been tested and found to comply with thelimits 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,
usesandcan
radiateradiofrequencyenergyand,ifnotinstalledandusedinaccordancewiththe
instructions, may cause harmful interference to radio communications. However, there is no
guaranteethatinterferencewillnotoccurinaparticular
installation. If this equipment does cause harmful interference to radio or television reception,
whichcan
bedeterminedbyturningtheequipmentoffandon,theuserisencouragedtotryto
correcttheinterferencebyoneormoreofthefollowingmeasures:
—Reorientorrelocatethereceivingantenna.
—Increasetheseparationbetweentheequipmentandreceiver.
—Connecttheequipmentinto anoutletona
circuitdifferentfromthatto whichthereceiveris
connected.
—Consultthedealeroranexperiencedra dio/TVtechnicianforhelp.
Note:TheGranteeisnotresponsibleforanychangesormodificationsnotexpresslyapprovedby
the party responsible for compliance. such modifications could void the user's authority to
operatethe
equipment.
ThedevicehasbeenevaluatedtomeetgeneralRFexposurerequirement.Thedevicecanbeused
inportableexposureconditionwithoutrestriction.

