1. Transmission range: 10 meters 2. Bluetooth version: 5.0 3. With charging compartment, support for fast charging of earphones 4. The headset will automatically connect back after turning on 5. Multi-function one-key blind press control, easy to use 6. IP7 waterproof rating, effectively preventing sweat from damaging components 7. Magnetic induction, convenient for earphone storage 8. CVC noise reduction, clearer calls 9. After connection, the Bluetooth will have the power prompt function, allowing you to grasp the power of the Bluetooth headset in real time 10. Small size, easy to carry 11. Ergonomic design, comfortable to wear 12. Charging port: Micro USB 13. Headphone battery capacity: 50mAh, charging compartment battery capacity: 150mAh 14. Talk time: 4 hours 15. Charging time: about 1 hour 16. Material: PC

http://olla.gr/m-b8-bluetooth-5.0-mini-invisible-in-ear-stereo-wireless-bluetooth-earphone-with-charging-box-rose-gold/