Specification: T31 black rechargeable wireless mouse Resolution: 800 dpi; 1600 dpi; 2400 dpi. Buttons: 4 buttons and 1 scroll wheel (middle button) and 2 dpi (adjustable) Maximum working range: 10 m Material: ABS Button life: 5 million times System requirements: Windows 98 / Me / 2000 / XP / Vista / Win 7 / Win8 / win10 or the latest version. Size: 10 * 8.5 * 7cm Weight: 102g feature: 1: 2.4 GHz wireless connection (including USB receiver and USB data cable for rechargeable mouse) 2: built-in rechargeable battery (600MA) 3: Ergonomic design can relieve and prevent carpal tunnel syndrome. 4: Optical laser technology, precise control 5: easy to use, comfortable to hold and prevent mouse hands. 6: L / R mouse button, 2 thumb buttons and a click wheel, 2 dpi buttons (dpi + / dpi -). 7: You choose the hand position that suits you best. Plug and play, compatible with Mac.
