HXSJ T33 2.4GHz Ergonomic Optical Wireless Notebook PC Mouse (Black)

1. 2.4GHz Wireless Connectivity (USB receiver) 2. 2 x AAA battery version (not included) 3. Ergonomic designed to remit and prevent carpal tunnel syndrome. 4. Optical laser technology for precise control 5. Easy to use, comfortable to hold, prevent mouse hand. 6. L/R mouse buttons, 2 thumb buttons, and a clickable scroll wheel , 2 dpi buttons(dpi +/dpi -). 7. You pick the hand position that best suits you. Plug and play, compatible with Mac. 8. Maximum operating range: 10m 9. Material: ABS 10. Button life: 5 million times 11. System Requirements:Windows 98/Me/2000/XP/Vista/Win 7/Win8/win10 or latest. 12. Item size:10*8.5*7cm 13. Item weight:80g(Including USB receiver weight)