MOONAR Moonar174;Ultra Thin USB Optical Wireless Mouse 2.4G Receiver for Macbook (pro,air) and All Laptop 1. Slim, ergonomically-designed 2.4 GHz wireless mouse, ideal for home or office use 2. Compatible with most laptop and desktop computers via USB receiver (packed in the mouse) 3. Optical tracking technology, works on many different surfaces 4. 16 wireless working channels, automatic frequency jumping 5. Frequency: 2402MHz-2480MHz