1. Bluetooth version: V4.0 + EDR
2. Frequency range: 2.4026 GHz-2.480 GHz
3. Transmission distance: 10M (transmission distance due to environmental factors and mobile phone bluetooth devices vary)
4. MIC distance: less than 1 m
5. Lithium battery: 3.7V / 150mA
6. Charging time: 1 hour
7. Standby time: about 160 hours
8. Continuous working hours: about 8 hours
9. Using the latest 4.0 + EDR Bluetooth technology, signal transmission, low power consumption, support for all bluetooth devices
10. Wirelessly listen to music with integrated bluetooth technology
11. Fashion design, let music surrounding your life any time
12. Hands free function, truly free your hands
13. Set-in rechargeable Li-ion battery, long stand-by and working time
14. 4.0 type of CSR bluetooth chip, Hi-Fi earphone
15. Support power displaying on iPhone, easy to know when will to be charged
16. DIY design, available to be detachable when you want
17. Sound reminder function, easy to set the device according to sound remind