1. Adopt European imported chip CSR8640 

 2. In-ear magnetic control wireless sports Bluetooth headset 

 3. Intelligent noise reduction high version CVC6.0 

 4. Support one-to-two function, call rejection function, pull open and close 

 5. Large battery capacity, low power consumption, long life 

 6.IPX4 waterproof and sweatproof, born for sports 

 7. 5.1 channel with surround sound