Features: 2.4G + BT1 + BT2 wireless in 3 Modes, featuring PixArt 3212 IC, ensuring smooth performances in both office work and gaming. The fully Transparents mouse beautiful and fashionable appearance, and comes in a variety of color. Four adjustable speeds of 2400, with convenient 250Hz response speed. Mute switches, with 10 million, suitable for both men and women in office and gaming no disturbing others. With 400 milliampere rechargeable battery, with Type C charging interface, and equipped with functions such as battery display light, energy saving Modes, and low battery prompt. Specifications: Working Modes: 2.4G+BT1+BT2 Rate of return: 250HZ Moving speed: 30inch/s Refreshes rate: 4800FPS Acceleration: 10G Number of switches: 5Keys (Mute) Switches life: 10 million times Product materials: PC+ABS+Colorful Roller Voltages/current:3.7V/30mA Battery capacity: 400mAH Working: 10m Length of charging line: 28cm (Type C charging line) Movement speed: 800/1200/1600/2400 Adjustable(1600) Movement speed light Modes:Redness(800)/Green(1200)/Blue(1600)/(2400) Movement speed Light Modes:Colorful breathing light effect Product size:10x6x3.8cm Note: Please allow 1-3cm error due to manual measurement. makes sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Package includes: 1Set Wireless Mouse