1)Bluetooth Specification:Version 2.0 compliant;
2)Bluetooth profile support:Headset and handsfree profiles;
3)Frequency Range:2.4GHZ  spectrum;
4)Working Distance Range:10 Meters(Class 2)
5)LCD Display:12 digits caller number display,battery status icon;
6)phonebook:Bluetooh wireless download,stores up to 250 records;
7)DSP:Full duplex transmission,noise suppression and echo cancellation;
8)Pairing:Memorize up to 4 mobile phones simultaneously;
9)Charging Time:Within 3 hours;
10)Talking Time:Up to 15 hours;
11)Standby time: UP to 250 hours;
12)Rechargeable Battery:Lithium-ion,3.6v.1100mAh installed;
13)Battery Protection:Over charge and over discharge protection;
14)input current:350mA (internal controlled);
15)input Voltage:DC 5V
16)Speaker Power:2W(Max)
17)Speaker impedance:8ohm;
18)Sensitivity of Microphone:-47dB;
Features:
1)flipping LCD display-simply flip up to switch on,flip down to
switch off;
2)Caller ID display-back-light LCD displayers incomign call number,
call status,volume,connected profile and battery statu;
3)Phonebook-transfer the phonebook records wirelessly from the phone
to the hansfree and store them,check the name and number by the handsfree
and make call directly.When the caller number matches the phonebook recor,
the LCD displays the name;
4)excellent sound quality-DSP technology for full duplex transmission,noise
suppression and echo cancellation,speech quality is emphasized,resulting
perfect conversation even in noisy environment;
5)sun visor-bracket-fix the handsfree to the sun visor easily;
6)flexible-built-in rechargeable battery,can be fixed to any
position in car without connecting to power source.
7)portable-handby size for using on desktop in office or at home,
or even traveling with you;
8)no installation-simply fix the handsfree to the sun visor and it is
read to use;

USER-friendly
Wireless communication-conncect to bluetooth compatible
phones without wires within 10 meters,handle calles without
touchong the phone;
Auto-connection-automatically connect to the last phone
Single multifunction button-handles answer,reject,end call,
redial,switch dual calls and voice dial functions;
Volume buttons-trun the volume up or down easily;
LED indicator-indicates bluetooth wireless connection,call
status and battery sataus.