Why Suggest you to Choose Our F2 BT Wireless Bluetooth & FM Radio Headphones? FM Radio with Best Reception F2 Headphones built-in premium DSP filter chip, high receiving sensitivity, no static electricity. It comes with high-quality FM reception and stable signals. It's also can preset FM stations so that you can easy find your favorite programs at any time. Wireless or Wired Connection The headphones is support for both wireless or wired connection. It's easy to connect your bluetooth device to enjoy musics, and can also connect to other non-Bluetooth devices via a 3.5 mm audio cable. If it run out of power, you can use the included audio cable to enjoy a no interruption music in wired mode. Crystal Clear Calls The wireless headset was built-in microphone for hands-free calling, ensures crisp and efficient calls. The stable connection give an easy switch between your music and incoming calls. It's a perfect choice for hands-free calling, meeting, online studying, and video talking. Foldable Design, Travel Ready The headphones can be folded up to a palm-sized, It occupies lesser space, convenient to store in bags or suitcases and friendly to carry for travel, walk dogs, doing outdoor activities or housework. Rotatable Earmuff for Perfect fit The earmuffs can automatically adjust the angle to suit different head shapes, which allows you to wear it for a long time without feeling uncomfortable. Larger Softer Earmuff Made of wider, softer and more comfortable memory foam, these earmuffs are so soft and comfortable to wear that you can even wear them all day. It ALSO can block out surrounding noise.