unique open button design that you just need to press on "open"button, move away the top cover then put in/take out the battery, very convenient for end-users and provide with you refreshing experience of loading/disloading battery.
	Unique snap-in button design make it easy to stick it onthe mouse bottom with little force,preventing loss of the mini receiver.
● Mini size for laptop users. ● 27MHz wireless technology, 1 metres valid operating distance. ● High resolution with 800dpi. ● Easily scroll through documents browse ● Signal transferable in 360 degree full range ● 256 security code to avoid malfunction. ● Unique shape fits in your comfortable operation. ● Dimension:98x56x15mm(LxWxH) ● Support windows Vista/XP/2000/ME/98/NT,Macintosh Mac OS8.6 or later reversion.

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