Model RB380<br>BLuetooth Version Bluetooth 3.0<br>Output 3W X 2<br>Sound Intensity 70 dB<br>Frequency 1100Hz - 18KHz<br>Voltage DC5V/1A<br>Impedance 4<br>Battery 1200mA<br>Wireless Range 10M<br><br>Feature:<br>1. Mini design, portable and easy to carry <br>2. HiFi sound effect, offers you amazing experience<br>3. BLuetooth connection wireless experience<br>4. Support handsfree call<br>5. With AUX input, u disk and TF card (Mini micro card) slot, can also work with non-Bluetooth device<br>6. With FM function, listening to radio program everywhere<br>7. Can switch songs and control volume<br>8. Support smartphone/tablet/PSP and other devices that has Bluetooth function