... and mouseFeatures:* Perfect combo set for you: Wireless QWERTY Keyboard , Wireless Mini Optical Mouse, Tiny USB Receiver.* Adapt ... 2.4G-2.4835G wireless radio frequence technology.* 2.4G wireless timely hopping technology.* Working distance ... kit for students, travellers, office workers and those who desire to easy their computer use. Specifications:* Standard: 2.4G-2.4835G Wireless ...