Technical parameter
Effective distance 10m
Output power 3w
Charing voltage DC 5V
Frequency response 302Hz-435KHz
Signal to noise ratio of SNR >_270dB
Distortion 1%
Audio input Bluetooth/TF card/U disc
Speaker unit 4^
From ohf adjustment press key
Technical parameters
Computer USB or 3.5 socket
Computer / TV with audio output
Computer system sound card
Hot plug without software drive