Compact Design brings big sound - these adorable little balls offer 2 hours of usage for 1 hour charging.
Output: 12W @ 40hm
Frequency Resp = 100Hz - 20KHz
Built in 3.7V Lithium Battery -- compatible with iPhone, iPod, MP3 Players, PC, Notebook, Desktop Computer, Cell Phone, Smart Phone
Black - Green - Yellow - Red - White