Features:
* Bluetooth / NFC capabilities  
* U disk and TF card plug and play, play MP3 format music, with memory function  
* FM radio with FM function, can automatically search and memory channels;
* BL5C external high-capacity rechargeable battery, charging more often, easy to replace;
* 3.5 audio output / input, but also for computer, MP3 / MP4 / mobile;  
* You can select a song fast forward and rewind  
* With bass diaphragm; some goods with Kerry Audio logos ,some does, sent random.

Bluetooth version:V3.0
Distance: up to 25M
Power source:external BL-5B 600mah lithium battery(included)
Output:RMS 2.5w
Frequency range:40HZ-20KHZ
SNR:>85db
Input:5V 1A
Material:plastic
Size:230 x 65 x 65mm
Color:White,Black,Red,Blue,Green,Yellow

Package includes:

1 x Speaker
1 x USB charging cable
1 x Audio line
1 x External battery

Bluetooth version	23.0+EDR
Blue acceptance distance	10 meters
Output power	3W
Distortion	0.3%
SNR	85db
Frequency response	40HZ-20KHZ
Play time	3 hours
Size	230*65*65mm
Weight	0.43kg
Color	Black,white,red,green,blue,pink,yellow
function	FM radio,TF card, Handsfree,Bluetooth