FITS MEDIUM AND LARGE-SIZED PALM. A new version of the favorable mini mouse. Bigger size, same comfortable hand-feeling. Contoured shape, sweat-resistant and skin-friendly finish are for maximum comfort and support. The thoughtful ring and little finger rest provide extra comfort. 5 ADJUSTABLE CPI & 2 POLLING RATE. 800,1200,1600,2000,2400, easily change the cursor sensitivity depending on your activity. 2 polling rate: 125Hz and 250Hz. Comes with a Nano receiver (Note: the Nano receiver is stored in the back of the mouse). No need any driver, supports plug and play. STRONG DURABILITY & 33FT WORKING DISTANCE. Passed 5,000,000 times keystroke test to guarantee extra durability. 2.4GHz wireless technology and professional chip (PAW3212) ensure longer working distance, reaching up to 33ft. EXTREMELY LOW POWER CONSUMPTION. This wireless computer mouse will be in sleep mode in 8 minutes of inactivity. Press any button to wake it up. Up to 15-month battery life to eliminate the trouble of changing battery frequently. Note: powered by 2*AA battery(not included). WIDE COMPATIBILITY. Well compatible with Windows7/8/10/XP, Vista7/8 and Linux etc. Fits for desktop, laptop, PC, Macbook and other devices. This wireless mouse enjoys 12-month worry-free warranty. Compare with similar items