Dual Mode Wireless Bluetooth Mouse(BT5.2/3.0+2.4G)Dual Mode Realize the Free Switching of One Computer Mouse Between Two Devices.Bluetooth Mouse Mode Can Connect One Device Through BT5.2/3.0 and Wireless Mouse Mode Another Device Through a 2.4G USB Receiver,No Need to Install any Driver,Plug and Play.Wireless/Bluetooth Technology Provides Powerful and Reliable Connection,Which Can Enables Fast Data Transmission Without Delays or Dropouts,Effective Up to 10 Meters33 feetof Range.Note:The USB Receiver is Stored Inside The Back of The Mouse.You Cant Use Bluetooth Mode and 2.4G Mode At the Same Time. Rechargeable Wireless Mice Save Energy: Cordless Mouse Built-in Durable 500mAh Lithium Ion Battery, High Cycle Life. LED Wireless Mouse No Need Change Battery, It Can Be Easily Charged Using the Included USB Cable, Just 2 Hours Charging, You Can Use Than 7 Days of Working Time and 30 Days of Standby Time, Standby Time is Very Long.