Type A:

Brand: HYUIVOAI
Display: there
Whether there is a radio function:
Audio classification: card
Speaker box material: wooden
Extended interface: card reader
Play function: MP3
Function: playing card
Applicable to the crowd: General
Wireless: no
Charging mode: lithium battery
There is no display
Operation mode: button
Play time: 8 hours
Extended storage: 4GB
Speaker effect: high power amplifier
Color: orange, white, blue, black
Outline dimension: 28.5cm*10.5cm*20cm









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Type B:

Bluetooth Speaker
Connection mode: Bluetooth connection
Battery capacity: 1800
Power supply: built in lithium battery
Effective distance: 10 meters
Function: phone card, voice prompts, radio
Operation mode: button
Applicable to the crowd: General
Display: None
Play format: MP3
Shell material: plastic
Format: support TF card speaker adjustment button
Whether there is a radio function:
Box material: plastic
Appearance size: 187*62*47mm
Color: blue, yellow, black, silver
Specifications: 187*62*47mm
Speaker effect: 3D surround
Speaker box material: engineering plastic
Outline dimension: 187*62*47mm


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Type C:


Output power: THD10% 1KHz
Frequency response: 170Hz + 20kHz
Speaker: stereo dual channel
The signal-to-noise ratio is not less than 90DB
Lithium battery: 1000mAh 3.7~4.2V
Optional color: color (customizable)
Material: aluminum alloy shell
Distortion: less than 0.5%
Bluetooth connection distance: 10 meters
Single product weight: 0.39 kg
Product size: 156mm*28mm*63mm
1 touch button using the circuit, for the high sensitivity, high anti-interference, high intelligent design
2 Bluetooth connectivity: Bluetooth 3, strong anti-interference, perfect connection to other Bluetooth devices, the connection distance of 10 meters or more
3 mobile phone hands-free function, intelligent call back.
4 support TF Card music, super compatible: MP3, WAV, WMA, FLA music format.
5.FM digital radio, automatic station search, automatic lock table.
6.USB function: to download files at the same time TF card for charging machine with USB cable to connect computer.
7 the whole work time is up to 10H.
8 rated charging time: about 5 hours.
9 rated power: 3W*2
10 working voltage: 3.7V~4.2V
Accessories host 1, data line 1, audio line 1, manual 1



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