1. Battery level display, Bluetooth 5.0 dual - mode. 2. It can be adjusted at five levels at will, with sensitive response and no freezing, and smooth operation with no frame loss. Options include 800/1200/1600/2000/2400. 3. There's no need to worry about low battery. It supports fast charging with a Type - C charging cable. The thoughtful design eliminates concerns about battery depletion. 4. Say goodbye to battery anxiety, and the battery level is clear at a glance. Two lights come on when the battery level is about 75%, one light comes on when it is below 50%, and the light flashes when it is below 25%. 5. It has silent buttons, skin - friendly material, long - lasting battery life, battery level display, five - level adjustment, privacy protection, Type - C charging, and is compatible with multiple devices/systems. 6. Connection method: 2.4G + Bluetooth. 7. Built - in lithium battery capacity: 500 mAh. 8. Press to switch 11 lighting effects, long - press for 5 seconds to switch the lighting. 9. The mouse will immediately enter the first - level sleep mode when it stops working; it will enter the second - level sleep mode 2 minutes after an accidental operation; it will enter the third - level sleep mode after 10 minutes of no operation and can be used normally after being moved. 10. Color: A: Milk tea color. 11. Material: ABS. 12. Dimensions: 6.4×9.35 cm. 13. Package contents: - 1 mouse - 1 charging cable Only the above package contents are included, and no other products are included. 14. Note: Light reflection and different displays may cause slight differences between the color of the item in the picture and the actual product. A measurement error of ±1 - 3 cm is allowed.