1. Automatic power-on, hands-free call, noise cancellation, call with voice commands, navigation broadcast, mobile phone automatic pairing, voice guidance for incoming calls, sun visor clip, allowing simultaneous connection of 2 mobile phones.
2. Bluetooth standard: V4.1+EDR
3. Frequency range: ISM 2.4G Hz-2.48G Hz
4. Wireless connection range: 0-10m
5. Normal charging time: 2 hours
6. Hands-free talk time: 18-20 hours
7. Battery: 3.7V 500mAh
8. Transmitting power: Class 2
9. Charging specifications: DC5V, 300MA
10. Standby time: 18 days