Mice & Trackballs Specification CHYI Wirele Mini Computer Mouse 2.4Ghz Usb Optical Ergonomic Arc PC Mause Cordle Portable Small 3d Mice For Laptop Notebook Features: Name: Wirele mouse Style: Usb gaming mouse Type: Mini optical computer mouse Color: Black,Blue,Red Buttons: Left/Right button,Scroll Wheel Connection: Wirele receiver connection Wirele program: 2.4G DPI adjustable: 800-1200 Power supply: 2*AAA Battery(Not included) Product Size: Appr.105*67*38 mm Net Weight: 58g Material: ABS Application: For PC/Laptop/Computer/Macbook Compatible with all kinds of systems Descriptions: Ergonomically design to keep your hand in a comfortable status even if long time use 4 Buttons design,360 degree scroll easily in any direction Plug and paly,don't need any other driver Mini portable wirele gaming mouse,cheap but durable It will go to sleep automatically to save the battery if don't use it. Advanced 2.4G wirele transmiion technology with out any delays,optical tracking works smoothly and stable The latest infrared technology, more power, and energy saving, enjoy a low-carbon life. Suitable for all kinds of systems,such as Windows,IOS,Linux and etc. Package includes: 1 * Wirele Mouse 1 * USB Receiver Product show