VersionTech Bluetooth 4.1 Wireless Stereo Headsets with 3.5mm Wired Audio In for Smartphones, Laptops, Tablets (White & Blue) Wireless Bluetooth headset, compatible with Bluetooth enabled devices, such as for iPhone, iPad, HTC, Lenovo, Samsung, Tablet PC, etc. Built-in NFC chip in the right earcup of headset, support pairing through NFC function. Enhanced noise reduction, good choice for listening music, watching movie, answering phone calls, etc. High precision 50mm magnetic neodymium driver, bring you vivid sound field, sound clarity, sound shock feeling. Multifunctional keys allow you to power on/off, answer/hang up/reject/redial call, pause and play, vol+/-, next/previous track. Supplied with a 3.5mm cable that you can use to connect the headphone to devices without Bluetooth. Up to 8 hours playing time and standby time 180 hours. Earmuffs used with skin-friendly leather material, and super soft Over-ear pads that is more comfortable for long time wear. Good quality and fashionable appearance. adjustable length hinges and very comfortable to wear.