HXSJ T31 2.4GHz 2400DPI Three-speed Adjustable 7-keys Rechargeable Vertical Wireless Optical Mouse

Feature: 1. 2.4GHz wireless connection. 2. Built-in 600mAh rechargeable battery. 3. Ergonomically designed to relieve and prevent carpal tunnel syndrome. 4. Precision controlled optical laser technology. 5. 1/R mouse button 2 thumb buttons and a clickable scroll wheel 2 DPI buttons (DPI+/DPI-). 6. Plug and play. Specification: 1. Resolution: 800/1600/2400DPI. 2. Maximum operating range: 10m. 3. Charging cable length: 80cm. 4. Material: ABS. 5. Button life: 5 million times. 6. System requirements: Windows 98/ME/2000/XP/Vista/Win 7/Win 8/Win 10 or the latest version. 7. Product size: 10x8.5x7cm. 8. Product weight: 102g (including USB receiver weight). Packing list: Mouse x 1 USB receiver x 1 USB charging cable x 1 English User Manual x 1