Specification:
1) Support TF/SD/U disk/MP3 format/ FM radio
2) Suitable for Mobile/MP3/MP4/MP5/PC/laptop
3) FM Radio with atenna: Radio automatic search and FM voice recorder
4) LED digital display screen
5) Colorful LED Screen
6) Material: Aluminum Alloy
7) Speaker size: 8.5cm *5.4cm*5.0cm
8) High sensitivity antenna; Support earphone
9) Big LED screen an show time, FM channel, charging and so on
10) Support 24 countris languages
11) Support Lyrics display status function
12) Eight sound effect and Circulation mode
13) Clock and Alarm function
14) Colors: Black, Silver,Pink, Gold, Blue, Green
15) Built-in rechargeable lithium battery 800mAh power enough
16) Play time: 4-9hours

Technical Data:
Output power: 3W*2
Rated Impedance:4O
Supply voltage: 5V 1A
Frequency response: 80Hz-20KHz
SNR: =80db
16 core *2 double magnetic speaker
3.5mm line in
Battery capacity: 800mAh enough
Distortion: 0.3%
Support: MP3/WAV/WMA format music
internal battery
Inside double magnetic trumpet: 16 core*2

Package includes:
1xSport Speaker
1xUSB Cable
1xAudio Line
1xUser Manul
1xSoft Rubber
1xBelt Clamp
1xArm Elasticity
1xTie Back
1xBuckle Fastener