Rechargeable Optical USB Wireless Mouse 4 Buttons 2.4GHz 1600dpi Backlight Ultra-thin Silent Ergonomic Mice for Computer Laptop PC Feature: 1. Symphony light effect: render your desktop 2. Can be connected to for iPad/mobile phone, support for Android/iOS and other systems 3. Mute button 4. Rechargeable lithium battery 5. Symmetrical design, suitable for left and right hands 6. Three-speed DPI adjustment, suitable for design/office/entertainment 7. Rubber rollers, delicate and comfortable touch 8. Support 10 meters wireless transmissionSpecification: Working mode: 2.4GHz Battery capacity: 500mAh Keys: 4 keys DPI value: 800-1200-1600 Power supply mode: rechargeable lithium battery Dimensions: 112x58x25mm/4.41x2.28x0.98in Receiver: external receiver Mouse weight: 90g Ergonomics: Support Working distance: 10 meters Time required to fully charge: about 2 hours Battery life: about 60 daysNote: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 1*Mouse 1*Charging cable 1*Receiver