Key Connection Battery-Free Eco-Friendly Wireless Optical Silver Mouse & Pad, Silver/Grey/Black (WLBF95) Key Connection (Silver Grey and Black) - Horizontal Scroll - Scroll the page horizontally by using the middle part of your index finger and move to the left and right. With Office Jump Switch, select up to 8 out of 24 various office command Enjoy a clean organized environment because there are no tangling wires to interfere with your computing experience. Designed with Innovative Radio Frequency Identification Technology, it is absolutely Interference-free from any wireless frequency. Wireless Battery FREE Mouse & Pad Worlds 1st Battery-Free Optical Mouse - derives its power from the patented RFID-Pad. Enjoy a clean organized environment because there are no tangling wires to interfere with your computing experience. This technology avoids unnecessary pollution caused by disposing used batteries into landfills. This is an aftermarket of generic part