Connection :    AUX (audio input) / TF
Power  : 3.7V battery pack power supply, a booster, full power 5W. THD <10%
Audio type :   TF card AUX. Charging interface micro usb
Charging function  : built-in 2000mA battery, current 700mA
Frequency response  : 50HZ-20KHZ. Signal to noise ratio> 80dB. Amplifier sound quality good at the end of small noise.
Size  : 93X93X50mm
version  : 4.0 above
Operation : boot white light flash, pairing after the white light slow flash, charging red light, full of power after the red light off.
matching name :  S8
Use time  : 10H (80% volume)
IPX Grade : Waterproof grade 6




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