•Using Bluetooth-compatible 3.0 version of the transmission technology,transmission distance of up to 10 meters •2400DPI Adjustable high-definition optical sensor •Fluent hands common design •Bluetooth-compatible 3.0,multi-platform connection and compatibility •Open the mouse battery cover,load 2 * AA batteries (not included),close the battery cover (please note the positive and negative direction of the battery slot marked) •Switch the mouse 'ON',the on/off button at the bottom of the mouse •Press at the same time the left key,right key and the scroll wheel for 5 seconds. Red light will be on to indicate Bluetooth-compatible mode opening •Search the mouse in Bluetooth-compatible device and connect to it •Note: •If your device is not Bluetooth-compatible enabled,please use with a Bluetooth-compatible adapter •Does not support Apple mobile devices,such as: Apple's mobile phone and Apple iPad Specification： •Project Type: Ergonomics Optical Mouse •PRODUCT NAME: T21 Bluetooth-compatible Mouse •Brand: HXSJ •Wireless Technology: Bluetooth-compatible 3.0 •Wireless distance: 10m •Rated voltage/current: 3V/8mA •Power supply: 2 * AA batteries (NOT included) •Number of keys: 6 keys •Optical resolution: 2400dpi Adjustable(800/1200/1600/2400) •Work: Photoelectricity •Button click life: 5 Million times •Material: ABS •Product weight: 68g •Item size: 10.5*7*4cm •System requirements: Windows 98/Me/2000/XP/Vista/Win 7/Win8/10/Vista Mac OS or latest Package included: •1 x Bluetooth-compatible Mouse •1 x User Manual