Feature: 1. Portable Mouse: Designed for small to medium sized hands, the wireless mouse provides the snug fit and excellent comfort. Its portable design makes it easy to store in a travel bag. 2. Quiet Click Design: Responsive buttons and scroll wheel offer very soft clicks with minimal noise, ensuring a comfortable user experience that won't disturb others. Suitable for home and study room use. 3. Wireless Connectivity: Bluetooth mouse comes with a USB receiver, which can be stored inside the mouse. The 2.4GHz wireless technology ensures a stable connection up to 49 feet away. 4. Adjustable DPI Levels: With 3 adjustable DPI levels (800/1200/1600), the wireless mouse meets your different needs. Suitable for Chromebook, for Win 11 10 8 7 2003 2000 XP, for OS X 10.4 and above, for Linux, for Android devices, laptops, desktops, PCS and more. Only connect to devices with USB A port. 5. Smart Power Saving Mode: Automatically enters a sleep state after 36 seconds of inactivity, and goes into deep sleep after 66 seconds. Wake the mouse up by pressing any key, saving energy and extending battery life. Specification: Item Type: Wireless Mouse Material: ABS Built in Polymer Lithium Ion Battery: 500mAh (Shipped with Built in Battery) Mouse DPI: 800/1200/1600 DPI. Package List: 1 x Mouse 1 x Receiver 1 x Charging Cable Note: Connect only to devices with USB A ports.