Bluetooth Version: V2.0
Support almost all mobile phones built-in bluetooth technology
AC/DC Adapter Input:100-240V
Frequency Band: 2.4GHz-2.48GHz
Function Button: Receiving/End/Pairing/Turn (on/off/)/Voice dial
Special function: Mute/Re-dial/Reject/Volume(+/-)
Operation Range: 10 Meters
Security: Pairing/Encryption/Authentiaction
Support Profile:HSP,HFP
Type of Battery: Rechargeable Lithium Polymer
Talk Time: 4-5 hrs
Standby Time: 120 hrs
Charge Time: 3-3.5 hrs
Weight: 15g
Size (LXWXH) :36X23.5X14mm