Description:                                                 
1)Keys: 50 Plastic keys
2) Material:ABS plastic , broadcom bluetooth chip.
3) PC system: windows/XP/vista/MAC
4) support systom ;Bluetooth Version: Bluetooth V2.0
5) charging time:2 H
6) Standby time:7 DAYS    continued time :36 H 
   battery capacity :180mAh
7)Case material: ABS
8) Perfect design for iphone 4
9)Battery capacity: 180mAh
10) transmit range:3 meter
11) Packing: 40pcs/ctn,each packed color box
12) OEM service available  

Specification                                                                              
◇Bluetooth specification:Version2.0Class2
◇Range of Frequency: 2.4GHz Spectrum
◇Operating Votage:3.7Vdc(powered by Li-ion)
◇Standby Current: 1.2mA
◇Operation Current: : <5mA
◇Sleep Current: <0.7mA
◇Unit size:  117.5*61.5*18.5MM
◇Carton size:46*28*42cm
◇N.W.:9.8 KGS
◇G.W.:  10.6 KGS