BS-552

Technique Specification/技術參數:

Frequency Response/頻率響應:80Hz-12KHz

Output Power/功率:3W

Speaker impedance/揚聲器阻抗:4 ohm

Battery specification/電池規格: 1200mA,rechargeable lithium ion battery

External charger/外接充電器:5V charger

Funtion/功能:With USB/TF card/FM radio/microphone 

Charing Time:about 8-10 hours

Using time/使用時間:about 2-3 hours(related to the volume and the environmental temperature)