C18 Audio Sound Card

● Peak power:10W
● Input power:5w*2
● Speaker size: 57mm
● Input voltage:5V-1A
● Signal-to-noise ratio:≥80dB
● Bluetooth module:5.0+EDR,  
● Transmission distance:10M
● Battery specification: built-in 3600mAh lithium battery   
● Charging interface: Tpye-c
● Playback time: about 6h