... 4.SNR:75dD Mini Digital Speaker Portable,2.0 USB Powered Speaker We produce kinds of mini speaker, ... portable speaker, usb speaker, 2.0 speaker, computer speaker, laptop speaker, ... -in audio line6.Power:Build-in USB cable (5V/1A)7.Plug:Stereo 3.5mm metal type,8.Volume ... GP 39600sets/40 HQ 45000sets/45HQ Features:3.5 stereo input, fit for Mp3,mp4,moblie phone,laptop ...