HXSJ T29 Bluetooth Wireless Vertical Ergonomic Optical Mouse Adjustable DPI Laptop Mice - Black •Bluetooth 3.0 wireless connection technology •Ergonomic designed to remit and prevent carpal tunnel syndrome •Optical laser technology for precise control •Comfortable to grip,relieve hand fatigue •L/R mouse buttons,2 thumb buttons,and a clickable scroll wheel,dpi button •You can pick the hand position that best suits you •Plug and play,compatible with Mac/Windows •Bluetooth connection method： •Turn on the mouse power switch directly. •Then search for Bluetooth devices directly in the add device. •Click to connect to the Bluetooth mouse,the device has been successfully added to this computer. Specification: •Item type: Ergonomic Optical Mouse •Resolution: 800dpi; 1600dpi; 2400dpi •Button: 4 buttons and 1 wheel (middle button) and dpi (adjustable) •Wireless Technology: Bluetooth 3.0 connection •Maximum operating range: 10m •Rated voltage/current: 3V/8mA •Power supply: 2*AAA batteries(not included) •Material: ABS •Button click life: 8 Million times •Item size: 13*6.4*7.7cm •Item weight: 87g •System Requirements: for Windows 98/Me/2000/XP/Vista/Win 7/Win8/win10 or latest,for Mac OS and above •Note: •Desktop computers need to be equipped with a Bluetooth receiver to use. (Receiver Not Included) •Not support for iPhone. Package included: •1 x Wireless Gaming Mouse •1 x English and Chinese Manual •Other items not included