3 Ajustable DPI & Plug and Play: 2000 DPI - 1000/1500/2000, easily change the cursor sensitivity depending on your activity; Plug and Play - No need for a driver, and you can plug and play the wireless mouse directly; NOTE: USB Nano Receiver stored within the back of the mouse. Strong, Durable & Long Working Range: Passed 5,000,000 times keystroke test to guarantee extra durability；2.4GHz wireless technology ensure longer working range reaching up to 10 metres (33ft). Long Battery Life & Extremely Low Power Consmption: 18 months long battery life, with auto power-off function, mouse will enter sleep mode in few minutes of inactivity. Press any button to wake it up. Note: powered by 1x AA batteries (not included). TeckNet TruWave & CoLink technology: TruWave - provides precise, smart cursor control on many surface types; CoLink - once paired there’s no need to re-establish pairing after a signal loss or shutdown. Wide Compatibility & Low Power Warning: Well compatible with Windows 7/8/10/XP, Vista 7/8 and Linux etc. Fits for desktop, laptop, PC, Macbook and other devices; and the LED battery indicator warns you if the battery is running low.