Mini Digital Speaker

Model Name: SM-20

Description:

1)Mobile speaker with FM, USB card, SD/MMC/MS/XD card reading function
2)Remote control
3)Battert outside with Battery Box outside
4)Output power: RMS 3Wx2(THD=10%, f=1KHz)
5)Frequency response: 150Hz-18KHz
6)Signal to Noise Ratio≥ 95dBA
7)Line input impedance: 10Kohm
8)Loudspeaker(outside diameter 77mm+52mm)Magnetically shield4ohm/5W
9)Speaker power: 5W+5W
10)External power supply DC 5V/1A
11)Audio input: Standard computer interface (3.5mm), applicable to the vast majority of audio products
12)Built-in high-capacity lithium-ion battery 800MA, with full power to play up to 2-4 hours (the power of the playing-time is related to high and low volume)
13)Two charging interface 3.5mm charging interface and Nokia charging interface