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