1)Loudspeaker output: 2W(1KHZ,THD10%)
2)Sensitivity: ≥65dB
3)Loudspeaker Impedance: 4Ω±0.5Ω Diameter:(36*4/4Ω/1W)
4)Lithium battery capacity:180 mAh
5)Lithium battery iutput: 3.7V~4.2V+0.05V
6)Frequency Response:200HZ——20KHZ
7)Charging time: 1 hours
8)Charging way:Computer, 5V Adaptor
9)Available color:Black, Red, White
10)Compatible with mobile phone,Mp3,Mp4,Ipod,PDA.Etc