Feature: 1. Mute mouse, can be used in quiet places such as library, meeting room, classroom, bedroom, etc. 2. The DPI level is adjustable between 800, 1200 and 1600 to meet different needs. 3. Advanced optical tracking technology ensures accurate tracking of any surface other than glass. 4. This mouse suitable for laptops, for OS X/Mi/Samsung tablets and other devices. 5. Convenient to use and with good performance, with small size, easy to carry and store. Specification: Item Type: Mouse Material: ABS Colour: Black Connection: Wireless Bluetooth 5.0 Effective Distance: Approx. 10meter / 32.8ft DPI: 800/1200/1600 3 speeds adjustable Battery Type: 1 x AA battery (not included) Applicable Devices: Laptops, for OS X/Mi/Samsung tablets and other devices. Package List: 1 x Mouse 1 x User Manual Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.