2.Don't need to switch U disk and SD/MMC card, the machine can automatically identify inserted play deviced.

3.Insert 3.5mm stereo audio line to "LINE IN" can realize external audio line source input, you can play audio file through audio device such as mobile phone,MP3,MP4,DVD,and so on.

4.Connet DC 5V adaptor into the "DC5V" socket back of the unit for recharging.

Product data:

Input power:6W(3W+3W)

Speaker unit:2"(40hms)*2

Respond frequency:100HZ--18k

Output power:USB,DC 5V/600mA Adapter

S/N Ratio:≥80dB

Resolution:≤65dB

THDv:0.3%