Genernal Feature: pick up a call, end a call,reject a call,call redial mute, volume adjustment, voice dial.

Operation range: Up to 10 meters.

Bluetooth version: V2.1+EDR.

Dual micphones.

Noise canceling.

Multi pairing,support to connect 2 cellphones.

Supported File: Bluetooth Headset and Handsfree.

size:50x16x5(mm),Weight About: 6.5 Grams

Talk time: Up to 3.5 hours,Standby time: Up to 80 hours

Battery Type: Rechareable Poly-Li Battery.

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Noise canceling bluetooth earphone