Operation Mode:TrackballPower Type:RECHARGEABLE Number of Buttons:6 Number of Rollers:1 pcs Hand Orientation:Right Package:Yes Style:3D,Trackballs,DPI adjust button DPI:1800 Interface Type:bluetooth Type:Bluetooth Wireless Origin:Mainland China Certification:CE,RoHS,KC [Thumb Control Trackball Mouse] - Move the cursor by simply turning the trackball with your thumb, it is very suitable for use in places with small desktop spaces or uneven surfaces [Ergonomic Thumb Design Mouse] - Scientifically fit hand design, keep each thumb in the correct ergonomic position for a more natural, comfortable hand position and less muscle strain [2.4G Wireless & Bluetooth Mouse] - Connects up to 3 devices via Bluetooth 4.0 + Bluetooth 4.0 + 2.4G wireless, 1 click to switch from the devices easily [Type-C Rechargeable Mouse] - Equipped with a built-in battery with Long Life, can be recharged super fast with the charging cable included [Noiseless Clicks Design Cordless Mice] - Rubber buttons ensure silent clicks are not bothered by annoying clicks and bring a comfortable touch feel [3 Adjustable DPI Levels] - 1000/1600/2400 DPI optical tracking technology allows you to easily change cursor sensitivity which would be easily shifted according to your daily working requirement [Wide Compatibility Rollerball Mouse] - Bluetooth and 2.4G wireless connectivity function make this mouse supports almost all Bluetooth-enabled devices or devices with USB ports [Maintenance Tips ] - It is normal for the trackball to become unsmooth after using it for a long time, please try to eject the trackball from the back of the mouse and clean it with a glasses cloth Ergonomic Wireless Trackball Mouse Thumb Precision Control The trackball mouse relies on your fingers to move a ball to control sensor, not limited by flat surface or space, you can use it on the bed, sofa, plane, train, coffee bar, etc. 2.4G USB+Bluetooth+Bluetooth PLUG and PLAY. This trackball mouse has triple connection modes. You can control three devices at the same time, switch freely between PC, Laptop Desktop, Android, tablet and Mac with just one button. System requirement: *Windows 8, Windows 10, or higher version *Mac OS x 10.10 or higher version / *Android 4.3 or higher