Wireless speaker based on 2.4GHz technology USB wireless audio transmitter Wireless range: 10m - ... Specifications Buttons: Volume control, Standby, Mode, Play/PauseDrivers: 3", 4ΩInput sensitivity: 480 mVAux in: Stereo 3.5 mm audio ... to present excellent sound quality. Specifications Drivers: 1.5", 4ΩInput impedance: 10 kΩAudio input: Stereo 3.5 ... type plug (black)Speaker to speaker cable: Black, 1.2 m