✔ ULTRA-DURABLE & ERGONOMIC DESIGN - WISFOX Computer Ergonomic Wireless Mouse is made of skin-friendly silicone and plastic. Absolutely non-toxic and safe and comfortable. Super durable PC ergonomic mouse with perfect performance on 5,000,000 clicks keystroke test! (Battery not included) ✔ 5 ADJUSTABLE DPI SWITCH & PLUG AND PLAY - Our PC Wireless Ergonomic Mouse has 5-level DPI settings (800-2400). Freely control the speed of your optical mouse, like a car race! WISFOX laptop ergonomic wireless mouse does not need any driver. The USB Wireless Mouse just requires a workable USB port. Only 2 steps: plug, and play. Pretty cool! ✔ UNIVERSAL COMPATIBILITY & WIDE USE - The Macbook Cordless Optical Mouse is Compatible with Windows XP, Vista, 7, 8, 8.1, 10, Linux and Mac OS (V10.4 or higher); as well as compatible for PC, Laptop, Macbook and more. Great optical computer mice for various activities! ✔ FAST & STABLE EFFICIENT TRANSMISSION - Powerful and reliable wireless mouse connection. This Ergonomic PC Mouse has a high anti-interference performance with 33ft/10m transmission distance, effectively eliminates delays, dropouts, and interference. Excellent wireless mouse for both home and office. Worth to try! ✔ SUPER ENERGY SAVING & ENVIRONMENTALLY FRIENDLY - WISFOX USB Mouse for computer will enter power-saving mode after 1 minute of inactivity or, will go into sleeping mode after 10 minutes of no-operation. (To wake: simply, double click any button). WISFOX promise 30 days no reason money back. Your investment is fully guaranteed by our best service!