2.4GHz Stable Wireless Connection - A tiny wireless receiver (stored in back of the mouse) provides stronger anti-interference ability, faster transmission speed and more reliable connection up to 15m (49 feet), without any hassle of additional wire and driver. Just plug and play. | Portable and Noiseless - Stow the USB receiver inside the wireless mouse when not in use. Take it to anywhere like home, office, coffee shop, etc. Responsive buttons provide soft click with less noise. | Enduring Quality & Power Saving - High DPI Movement resolution allows the mouse to track on nearly any surface. Rated to 5 million comfortable clicks. Turn into sleep mode in 8 minutes of inactivity for energy saving, easily activated by clicking any button. 1 AA Battery (NOT Included) is needed for this mouse. | Ergonomic Shape & Impressive Color - Slim ergonomic design and smooth sleek surface for an incredible user experience. Unique gradient pink to purple show your difference and romance. | Wide Compatibility - Work with Windows XP, Windows Vista, Windows 7, Mac OS X 10.4 etc. NOTE: This product is connected by USB receiver, and is NOT compatible with macbook pro or other laptops which don’t come with USB ports.