Feature br1. Bluetooth + MP3 function support stereo music playing, phone calling. br2. Support all audio devices that have Bluetooth capability, such as, cell phone,tablet PC,laptop,computer etc. br3. 3.5mm audio jack, provides a simple wired connection of a variety brof devices without Bluetooth. br4. Allow you to answer or reject phone calls anytime and anywhere. br5. Charged via USB, rechargeable battery, convenient and practical. br6. Playing time up to 8~10 hours, and continue talk time up to 8 hours, standby time up to 148 hours. br7. Good quality, foldable design and adjustable length hinges, very comfortable to wear and easy to carry. br8. Best choice for listening music, watching movie, chatting online etc. br9. Detachable Mic, better gaming experience br10. Rainbow color cat earphones, childrens holiday gift earphones.