Features:
Simple Connection
Easy pairing
Auto re-connection
Great Voice Performance
DSP solution for echo cancellation and noise suppression
Easy to use: Caller ID sound prompt
Music ring prompt

Two buttons, same operation as mobile phone
Dual microphones to provide the best voice and convenience
Voice activation subject to voice activation enabled
Multi-pair-up to eight devices
Call rejection
Last call number redial phones
Volume control

Specifications
Bluetooth specifications: Version 1.1/1.2, class 2, 10 meters
Bluetooth profile supported: Headset and hands-free profiles
Operating frequency band: 2.402 to 2.480 GHz ISM band
Input voltage: DC 12-24V
Dimensions (mm): 72 (dia) x 108 (dia)
Weight: 70gm

Accessories:
Earphone with mini Microphone x 1
Manual x 1