SPHTOEO Ultra Thin USB Optical Wireless Mouse 2.4G Receiver Super Slim Mouse Cordless PC Laptop Desktop (Pink) Slim,ergonomically-designed 2.4 GHz wireless mouse,ideal for home or office use Compatible with most laptop and desktop computers via USB receiver (packed in the mouse) Optical tracking technology,works on many different surfaces 16 wireless working channels,automatic frequency jumping Wi-Fi Range: 10m