Super silent design, so that you do not have to worry about when working or playing games. Universal Compatibility: For Windows XP, Windows Vista, Windows 7, Windows Stable and Wer Efficient Connection: The 2.4 GHz wireless mouse provides a Werful and reliable connection, effective up to 32.8 feet of range This mouse automatically turns off after 8 minutes of inactivity to save Wer, it can be awakened by clicking any button. Plug and Play. Small wireless USB receiver is easy to plug into the computer's USB port, occupying very little space. Comes with a USB charging cable, when the battery has little Wer, you can directly charge the mouse. Compact andSUPER light design, let you in the work or game can do whatever you want. The K2020 Slim Wireless Mouse is free from the tangle of cords and the burden of annoying clicks. Enjoy the wireless freedom of 2.4G and an incredibly silent click Plug and Play Package Includes: User Manual x 1 Wireless Mouse x 1 USB Nano Receiver x 1 (stored on the back of the mouse) USB Charging Cable x 1 to save space on the receiver, which can be plugged into a USB port on your computer while in use.The USB Nano Receiver allows for easy storage on the back of the mouse. Designed for comfort and silence The sleek and symmetrical design comes with the wireless mouse, making it comfortable for both left and right handed users. In addition, the silent design with advanced sensors ensures silent clicks. No more annoying clicks Smart Wer Saving Mode Phase 1: The wireless mouse will automatically sleep and become inactive for 3 seconds. Simply move the mouse to wake it up; Phase 2: The wireless mouse will sleep deeply for 10 seconds of inactivity. Stage 3: The wireless mouse will automatically turn off within 30 minutes of inactivity. Press any button of the mouse to turn it on. SpeciCATions: DPI: 800 1200 1600 Operating range: up to 10 meters Compatibility: Windows 7/8/10/XP, Vista7/8, IOS Wer supply. Built-in battery Note: 1. The nano receiver is stored on the back of the mouse. 2. The left and right mouse buttons are quiet (relatively quiet not absolute). It is silent when scrolling, but when you press it, it makes a sound. 3. To ensureBETTER signal transmission, please make sure there are no obstructions or electromagnetic waves around the mouse. 4. Please understand that battery life may vary depending on user habits and battery capacity.