1. Brand new and high quality. 
2. Support Bluetooth, available for most of devices with Bluetooth function. 
3. Built-in Mic, you can answer, refuse, or dial-back calls. 
4. Knitted material, fashion and keep warm with answer the phone in winter. 
5. Built-in chargeable battery, charge via USB Cable, long stand-by time. 
6. You will look great and keep warm while listening to your favorite music. Keep the sound track to your life playing all the time. 
7. Perfect for traveling, waiting for the bus, jogging in the cold or just rocking out in your bedroom.