System Requirements: Apple iPhone4, iPad, iPad2 / Bluetooth-enabled PC running Windows 98, Me, 2000, or XP / Windows Mobile 5.0/6.0 and later / Nokia mobile in Symbian S60 3rd / Bluetooth-enabled Macintosh running Mac OS 10.2.8 or later.
Bluetooth 2.0 standard
Build-in rechargeable Lithium battery, support USB charge.
Folding Size:13.2 x 9 x 2.5cm/5.2 x 3.54 x 0.98in(L x W x H)
Frequency band: 2.4 - 2.4835GHz unlicensed ISM band
Intelligence power source management system helps you conserve battery power
Operation distance: 0 - 10m
Package included:1 x Bluetooth Foldable keyboard,1 x USB cable"
Package size:20 x 13.5 x 3cm/7.87 x 5.31 x 1.18in(L x W x H)
Receiving sensitivity: -75bm (standard)
The ultra slim design offers an easy typing without stress of your wrists.
Unfolding Size: 26 x 9 x 1.5cm/10.23 x 3.54 x 0.59in(L x W x H)