Doss Ds-1168 Bluetooth Speaker Type: Portable Bluetooth Speaker Frequency response: 65Hz to 20kHz Sensitivity/Sound pressure level: 86dB Plug type and length:3.5mm Stereo Jack Power consumption:3.7W/5V Bluetooth/Wireless range: Up to 10M Impedance: 32 ohms Compatible with most mobile phones, mp3 players, and computers