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Portable Digital Voice Amplifier
S368
User Manual

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Function map:

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Keys and Ports instruction:
Mic-in
In Standby mode, insert microphone to 3.5mm microphone
interface to amplify.
Aux-in
3.5mm audio interface, support music play, insert audio cable to
play music automatically.
USB-C
Charging
Port
Charging port supports 5V charging through mobile phone
charger and computer USB port.
Dial
Volume
Switch
Rotating the dial can switch on/off the amplifier and adjust the
volume. Rotate the switch clockwise (pull right) to turn on the
amplifier and increase volume, rotate the switch
counterclockwise (pull left) to decrease volume till turn off the
power.
Operation description:
1.
Power switch:
Pull right
the switch clockwise,
turn on the amplifier when you hear a "click" and the indicator
becomes on. Pull left the switch counterclockwise, turn off the amplifier when you hear a "click" and
the indicator becomes off.
2.
Volume control:
Rotate the volume dial to adjust the volume. Pull right the button clockwise to increase the volume
and pull left the button counterclockwise to decrease the volume.

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3.
Microphone amplification:
Please wear a wired microphone, adjust the microphone position appropriately, and maintain a
distance of at least 50 centimeters from the amplifier to avoid whistling. Then insert the audio plug
of the wired microphone into the MIC interface of the voice amplifier, adjust the microphone head to
face the mouth, and maintain 0.5 cm to 1 cm. At this point, the voice can be amplified. It is
recommended not to remove the sponge cover, as it can weaken airflow, reduce noise, and make the
sound clear.
4.
Aux mode of the voice amplifier:
Connect the voice amplifier with computers, mobile phones, PAD, MP3
,
MP4 and other devices
through the 3.5mm AUX audio cable to play audio, it can be used as external speaker at this time.
Charging instructions:
1. When the battery is low, you can use the complimentary USB-C charging data cable to charge the
voice amplifier through devices such as a computer, 5V phone charger, mobile power supply, etc.
2. The product only supports standard 5V charging and does not support all kinds of QC fast charging.
Charging with a voltage higher than 5V will burn the product or fail to charge.
3. LED indicator light description:
Voice amplifier status
LED indicator status
Low battery
LED indicator light flashing fast
Turn on the power to charge
charging
Yellow light always on
Charged
Green light always on
Turn off power to charge
charging
Red light always on
Charged
Green light always on

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Product specification:
Rated power
3W
Max power
6W
Loudspeaker
2.5 inches 2 ohmic
magnetic speaker
Frequency response
200Hz-15KHz
Battery
3.7V/1800mAh, 1 lithium
battery
Charging voltage
USB/DC 5V 750mA
Charging time
2-3 hours
Using time
30 hours
Size
72*97*27mm
Net weight
125g
Packing List:
Voice amplifier*1, 3.5mm audio cable*1, USB-C cable*1, wired microphone *1, adjustable
waistband*1, user manual *1.
Tips and cautions:
1.
When you use it for the first time, or after a long time before you use it again, please keep the
amplifier be fully charged to ensure battery life.
2.
To avoid distortion or damage caused by excessive voltage or current, please do not insert the
external sound source signal into the MIC interface.
3.
Please don’t disassemble or repair it by non-professional technical personnel. If there are any
problems, please contact our company for after sale service.
4.
To prevent the danger of short-circuiting, please keep products or accessories away from water,
moisture, rain, or splash.

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5.
Do not use it in inflammable and explosive areas or in areas where radio equipment is prohibited.
When you enter dangerous areas or prohibited areas, power should be turned off to avoid potential
safety hazards.
6.
Do not use it in high temperature, high pressure, and high humidity environment (such as sunshine
exposure, stove, heater, humidifier, water pool, etc.). Do not place it or close to dangerous sources
(fire source, liquid, explosive, high-speed machinery, etc.) to avoid damage and danger.
7.
To protect the environment, please put the discarded amplifier in the designated trash can or send
it back to the manufacturer. It should not be discarded at will.
FCCID:2AXGRVA1
Shanghai Norwii Technology Co., Ltd
Address: No.277 Jinfeng Road, Pudong New Area, Shanghai, 201201, China
Tel: 86-21-51872080
Email: [email protected]

