1.Bluetooth 4.0 2.Distortion¡ê0.5% 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: 9 colors in total 11.Size¡êo49*43*43mm 12.Function:support line in 1pcs packed in a box with usb line and mannual, carton usually customized
