New Color Ball ＼ Trackball Mouse Mouse Wireless 【Bluetooth & 2.4GHz USB Receiver】 Mouse Trackball Connects to 3 Devices Simultaneously Wireless Wireless Mouse Thumb 7 Buttons Silent Buttons Back/Forward Buttons 5-Step DPI Windows/Mac/Android Home Office Product Name: Trackball Mouse M1 Product Specifications: Model Number: M1 Size: W96.7 x D133.8 x H48.0mm Weight: Approximately 132.8g Supported OS: Windows 8.0, Windows 10, Windows Vista, Mac OSX 10.10 and later, Android 4.3 and later, IOS 8.0 and later Bluetooth Cursor Speed: 5 steps of 800, 1200, 1600, 2000, 2400 counts Radio Frequency: 2.4GHz Connector Shape: USB (A type connector) Operating Temperature/Humidity: -14℃~45℃/~85%RH Storage Temperature/Humidity: -20℃~65℃/~85%RH Package Contents: Trackball Body USB Receiver Type-C Power Cable Japanese Instruction Manual Recommended Points 【The popular trackball mouse has been further evolved and newly released】 For those who are suffering from wrist and shoulder fatigue due to long hours of work, a NEW model of the trackball mouse, which is a complete update, is now available! Are you having trouble with wrist and shoulder pain when using the mouse for a long time? This Bluetooth mouse is designed to reduce wrist and shoulder fatigue, last longer, and achieve weight reduction and long-term use. It also has a power switch on the back of the main unit to prevent battery consumption when not in use.