Features: brand new and high quality If the mouse cursor moves slowly or stops moving, it means there is no power. The indicator light below the DPI button will flash red. Please use the charging cable to charge. It is recommended to charge the mouse on the computer interface. Please charge the mouse for 2 hours before using it for the first for time. The red light next to the wheel is on when charging, and it goes out when it is fully charged. The mouse will enter sleep mode after 8 minutes of inactivity, and you can click any button to wake it up. 4dpi Level & Comfortable Design: USB computer mouse wireless has 4 DPI levels(800/1200/1600/2400), this mouse fits well for a small or medium hand, prevent any possible wrist pain. Plug & Play: The wireless mouse comes with a small USB receiver ( stored at the bottom of the mouse), you can just plug it into your computer and you are ready to go. Specifications: Type: 2.4G+BT5.1 Dual-mode Optical Mouse dpi: 800/1200/1600/2400 Color: Black, Pink, White (optional) Size: approx. 100x65x34mm/ 3.94x2.56x1.34in Features: 7-button Wireless Charging Mouse, RGB Marquee Battery Capacity: 700mAh Battery Type: Polymer Lithium Battery Moving Life: 5 Million Times Package Includes: 1x Mouse 1x Charging Cable 1x USB Receiver 1x User Manual note: Due to the lighting effects and shooting angles, there is color difference in the product, please understand. Due to manual measurement, there is a tolerance in the product size.