Features:
*Compatible with all ipod products and mp3/mp4 player
* input: Headphone jack /USB dock/ IPOD dock
* USB to 3.5mm stereo cord
* remote control
* Electronic volume control
* three key-press:Power, VOL- and VOL+ on the speaker
* Rechargeable Li-ion 3.7V battery in the speaker
* Build-in subwoofer for heavy bass effect
* Green LED power light
* Choosen Function: FM

Colour Available:
Red, Green,Blue,Purple and Siver or at the buyersa??option

Description:

Output Power:2.5W*4
Impedance: 8 ohms
Frequency response: 100HZ-18KHZ
Sensitivity:a??38dB
Inner power: 3.7V rechargeable Li-ion battery
Dimension(L*w*H): 238*192*43MM
Unit packing:258*212*68MM
Net Weight: 205g