1 Range of Frequency: 2.4GHz-2.48GHz
2 Function Button: Receiving/Hanging up/Pairing/Turn on/Turn off
3 Special function: Voice Dial/Re-dial/Mute/Reject
4 Support Profiles: Headset & Handsfree
5 Operation Range: Up to 10M
6 Security: Pairing, Encryption & Authentication
7 Type of battery: Rechargeable Lithium Polymer
8 Suppotr Profile: A2DP, HSP, HFP
9 AC/DC Adapter Input: 100-240V
10 Talk Time: 4-5 hours
11 Standby Time: 170 hours
12 Charging Time: 2.5-3.5 hours