1.Bluetooth 4.0
2.Distortion¡ê¼0.5%
3.Snr¡y80db
4.Rated impedance:16ohm
5.Channel separation¡y50db
6.Speaker:3w/4|¸
7.Frequency range:100hz--20khz
8.Battery:3.7v/500ma
9.Working voltage:3.7- 4.2v
10.Color:red
11.Function:support line in
Size¡êo49*43*43mm
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