Soft and quiet keystrokes Keys and mice share a receiver, convenient storage management Built-in high-capacity rechargeable battery, lasting life keyboard for easy portability Stylish appearance Bluetooth three-mode wireless keyboard: 1. and portable 2. Simple and stylish 3.Bluetooth 5.0+Bluetooth 3.0+Wireless 2.4G connection : Take out the USB receiver and plug it into the computer, you can use it Bluetooth mode: Press and hold FN+1 or FN+2on the keyboard, long press the combination for 3 seconds, the Bluetooth flashes, and the Bluetooth device 1/2 enters the searched state. Device side-open system settings-turn on Bluetooth-search and add to use Colour:black Material:ABS Size: Keyboard: 28.5 x 12 x 1.6cm Mouse: 11.2 x 5.7 x 2.65cm Package Contents: 1 x keyboard 1 x mouse 1 x receiver 1 x data cable 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.