Plastic Remove Battery Induction Wireless Mini Speaker

1,compatible with iphone\Touch4\other external speaker phones!
2, Magical sound amplification function for mobile phone or other external speaker devices.
3, No paired set or other connectors like blue tooth, WIFI or wires is required
4,Support IOS device and mobile with Android system
5,Power out-put: RMS 2*3W

6,Impedance:40Ω
7,Frequency range:20Hz-20KHz
8,Support audio input and DC-5V input (MINI USB) jack
9,High efficiency-15-hour play time with 3x AA A Alkaline batteries

10,Low battery warning