1. Bluetooth 4.2+EDR: rapid transmission transmission range up to 10 meters (Max)
2. Support 1 connect 2 function
3. ldeal for listening to music and receiving calls while doing exercise
4. Compatible with any bluetooth device
5. Built-in lithium battery low power dissipation long working
6. Exquisite craftsmanship and fashion appearance
7. Passing 3000 times human ear test