Brand: Bluedio<br />Model : H+ Turbine<br />Color : Black｣ｬ White｣ｬ <br />Wearing type : Headband<br />Function : Song switching｣ｬ Bluetooth｣ｬ Multi connection function｣ｬ Noise Cancelling｣ｬ Microphone｣ｬ Voice control｣ｬ Answering phone    <br />Connectivity : Wireless<br />Connecting interface : 3.5mm｣ｬ Micro USB<br />Application : Portable Media Player｣ｬ Mobile Phone｣ｬ Computer<br />Plug interface: Full-sized｣ｬ TF card slot<br />Driver unit: 57mm<br />Frequency response : 20~20KHz<br />Impedance : 16ohms<br />Sensitivity : 110 dB<br />Power supply: USB port DC 5V<br />Working time: Talk time: 45 hours; Music playing time: 40 hours<br />Standby time: Up to 1625 hours<br />Charging time: About 2 hours    <br />Bluetooth: Yes<br />Bluetooth version: V4.1<br />Bluetooth distance: W/O obstacles 10m<br />Bluetooth band: 2.4GHz-2.48GHz<br />Bluetooth protocol: AVRCP｣ｬ HFP｣ｬ A2DP｣ｬ HSP    <br /><br />Package contents: <br />1 x Earphone<br />1 x Audio Cable<br />1 x USB Cable