Specifications
Net weight :100gm
Size:52mm-52mm-70mm [closed resonator]
Speaker : Magnetism prevent 36mm/3W/
Loudspeaker Output andlt;3.5w
Rating power : 1.7w 2[2.8w*2 inputDC5v]
Frequency responce :230hz-18khz
signal-to-Noise : 86db
Lithium Battery Voltage :4.2v
Lithium Battery Capacity :300MAH
Lithium Battery Charging Voltage : 5v/+0.5v
Charge Time:DC[5vl500MA],about 2hours
Discharge Time:MP3 volume in half,about 6 to 8 hours