Features: 1.Uninterruptible power, charging can also be used normally. 3.Once Fully charged, it can be used for 2 months. 4.2.4GHZ wireless connection technology, within 10 meters. 5.Suitable for Games, office, leisure use. Description: The green light is off , charging is completed. Specifications: Color:Red,Black,Blue,Silver&Gray Type: optical mouse Wireless connection: with the computer Optical resolution: 1600 (dpi) Number of keys: 6 (key) Interface: USB Wireless transmission frequency: 2.4GHz Operating distance: 10 (m) Package included: 1 x mouse 1 x receiver Notes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2. Please allow slight dimension difference due to different manual measurement.