The mouse specifications are as follows: Manufacturer: WLMOUSE Product Model: Beast X 3950 KIBU Collaboration Connectivity: USB Wired + 2.4G Wireless Interface: Type-C Size: 122 x 62 x 37mm (Mid-size Model) Weight: ≈39g Sensor: PAW3950HS Maximum Polling Rate: 8000Hz (Only effective when connected via 2.4G wireless) Main Switches: OMRON Optical Switches Encoder: TTC Encoder Battery Capacity: 300mAh Contents: Mouse x1, USB-C Cable x1, 8K Dongle x1, 1K Nano Dongle x1, Replacement PTFE Mouse Feet x1, Mouse Grip Tape x2, Carrying Case x1 Used for approximately 1 month. I am selling it because I didn't have many opportunities to use it.