Color: Black Material: plastic Fitment: Fit for Logitech G913 TKL Wireless Mouse. Connect the mouse with a USB cable, turn on the mouse switch, then download the latest version of G HUB software, open the software and insert the receiver, a pairing prompt will pop up automatically, click pairing, then select the unpaired receiver and the mouse model that needs to be paired, click pairing, Pull out the USB cable, turn off the mouse switch, and immediately turn on the mouse switch to complete the pairing. (Note: Due to the pairing test, opening the software may display other mouse models, please ignore the display and it will display normally after performing the pairing operation) If there is no USB data connection cable, you need to download the latest version of G HUB. On the main interface of the software, turn on the mouse switch, insert the receiver, and follow the prompts to complete the pairing again. Package Contents: 1 x Wireless Mouse Receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.