AC/DC Adapter Input:100-240V
Frequency Band: 2.4GHz-2.48GHz
Function Button: Receiving / End / Pairing /
Turn on / Turn off
Special function: Voice Dial/Re-dial/Reject
Operation Range: 10 Meters
Security: Pairing/Encryption/Authentiaction
Suppotr Profile:HSP,HFP
Type of Battery: Rechargeable Lithium
Polymer
Talk Time: 4-5 hrs
Standby Time: 170 hrs
Charge Time: 2.5-3.5 hrs
Weight: 15g
Size (LxWxH)) : 45x20x11.4mm