1.mini ocolock speaker, 2.inside with battery,can out put battery also 3.with FM radio function 4.iphone, usb+sd card Panda Speaker Features 

1. USB flash drive and MICO SD card speaker

2.  shape designed, quite cute and fun

3. Small size for easy carry

4. With  battery for long time playing

5. Compatible Mp3 format

6. 3.5mm jack audio out

7. Audio in compatible iPod/Mp3/Mp4/Notbook/PC/Mobile. etc

8. With FM function, playing music convenience and comfortable

9. Out playing or earphone available

Technical Parameters

Power supplier:	3.7V
Output:	RMS 3W*2 THD+N1%
Frequency:	50Hz-20KHz
SNR:	>90db
Response Senstitivity:	90db
Impedance:	4HM(Ω);
Power Input:	USB DC 3.7
Speaker Unit:	52mm
Case Material:	Pure ABS
Dimensions:
Weight:
Color:black ,WHITE

Accessories

usb charging cable

use manual