New. Open box. Unable to test.
Unit Size: 106*107*109mm*2 Cable Length:1.5m Control Function: Slide to adjust the volume/volume up/volume down Plug: USB power supply cable+3.5mm audio jack Sensitivity: 600±100mV Distortion: < 1% 1W 1KHz% Signal/Noise Ratio :≥40dB Speaker Size: 85mm*2 Impedance: 3Ω Output power: 3W*2 Track: Dual Track