B9 Bluetooth Headset Pull-out Digital Display Earplugs Touch Bluetooth Headset(Black)

1. Comfortable to wear, not easy to drop
2. Sports waterproof and sweat proof design
3. Pull-out storage
4. Smart touch, wake up SIRI, switch songs and other multi-functions
5. Two mobile phones can be connected at the same time to improve usage efficiency
6. LED three true battery display
7. Size: about 8x5x3 cm
8. Weight: about 80 grams
9. Bluetooth version: 5.0