Bluetooth specification: version 1.2 compliant

Bluetooth profile supported: headseet and handsfree ptofiles

Frepuency range:2.4 GHZ spectrum

working distance range:40 meters (class 2)

dimensions (main unit):108(L)*57(W)*31(T) mm

weight(main unit):129g

LCD display: 96*26 dot matrix , 12 digits caller number display , 15 bars volume display , battery sta-tus icon , bluet backlight

DSP: full duplex transmission , noise supprew-sion and echo cancellation

Pairing: up to 4 mobile phones

Charging time:within 3 hours

Talking time:up to 10 hours

Standby time: up to 200 hours

Rechargeable battery: lithium lon , 3.6V , 1100MAH installed

Battery protection: over charge and over discharge protectio

Input current: 305MA

Input voltage: DC 5V

Speaker power: 2 W

Speaker impedance: 5 Ohm

Sensitivity of micropone: -47 dB