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