Bt Wireless Hdphones With Mic Blu

Amazing stereo sound without the messy wires. Built-in BT technology for easy wireless pairing with enabled devices such as iPad , iPhone , iPod , smartphones, tablets, MP3 players & more. Built-in FM radio for listening to your favorite station. Perfect fit earbuds so they don't fall out (2 sizes included). Built-in microphone for making calls wirelessly with your smartphone. Built-in controls so you can leave your phone tucked away safely. Flexible design to fold easily in your pocket or purse. Operation range: 10M. Music playing time : 2.5 H. Talking time: 3 H. Working voltage: 3.3- 3.7 V. Drive diameter : 10mm. Impedance : 16 ohms. Frequency response: 20Hz- 20KHz. Accessories Included: USB charging cable, 2 sizes of ear gels, and user manual. Blue.