Bluetooth Headphones Over Ear, Hi-Fi Stereo Wireless Headset, Soft Memory-Protein Earmuffs, Wired and Wireless Earphone with Mic for Cell Phones/MP3/PC/TV - Black IMPRESSIVE SOUND QUALITYRich and strong bass, crisp and clear highs. It provides immersive Hi-Fi sound with 40mm driver, the sound quality is amazing. COMFORTABLE PADDING and STRETCHABLE HEADBANDThe padding uses Memory-protein simulate human skin texture, ensuring lasting comfort. The wide head padding and stretching headband, we have adjusted the headband, based on Ergonomics theory, to fit all head sizes. BLUETOOTH 4.2 and BATTERY LIFEThe latest Bluetooth V4.2 provide a quick and stable connection with your devices like Cell Phones/ MP3/PC/ TV. A built-in 160mAh Lithium battery and USB cable, you can enjoy the music 5 hours in the Bluetooth mode. HANDS-FREE CALL and BUILT- IN MICThe Bluetooth headset offers hands-free calls and you can use the buttons on the headset to control calls and music. A high-quality built-in microphone to make you enjoy a cheerful chat with your friends. Note: The Microphone only works in the wireless mode. 3 MONTH WARRANTY3-month warranty and quick response and friendly customer service.