[Updated Version] Wireless Mouse, Pictek 2.4G USB Wireless Mice Optical PC Laptop Computer Cordless Mouse, Nano Receiver, 6 Buttons, 2400 DPI for Windows Mac Macbook Linux - Super Energy Saving, Black 2.4G Wireless Transmission for Stable ConnectionPictek 2.4GHz wireless technology - Stable connection, precise track, fast data transmission speed. Up to 50ft / 15m working distance, eliminates delays, dropouts and interference, excellent wireless mice for both home and office. 5 Adjustable DPI Switch Plug and Play! No need any driver! Up to 2400 DPI level adjustable! (2400-2000-1600-1200-800 DPI) Control your own speed freely with the One-press button on top of the mouse. Lifetime Warranty! Auto Sleeping & Super Energey Saving Up to 15 months of battery life with a single AA battery, if mouse is not used for over 8 minutes, it will turn to power saving mode to save energy, click any button to restart it. Never worry about frequent battery replacement. Ultra-Durable & Ergonomic DesignUp to 5-million-click keystroke test and perform perfectly! Designed for right-handed, the contoured shape and soft rubber grips keep your hand comfortable even after long hours. USB Nano Receiver which can be stored in the back of the PC mouse. Portable design is suitable for mobile working. Great Compatibility Compatible with most systems including microsoft Windows 7 / 8 / 10 / XP, Vista 7 / 8, Mac and Linux. Fit for Notebook, PC, Laptop, Computer, Macbook and other device. Note: Side buttons are invalid in Mac OS