Rechargeable,the long battery life allows you to use them continuously for 168 hours Cool RGB backlight,2 light modes can be adjusted and 7 light colors can be adjusted The computer mouse comes with 2 modes connection (BT5.0+USB) and about 10 backlight effects Comfortable typing and silent click, The mouse and keyboard are almost silent, don't worry about disturbing others. Wide compatible with OS, OS, iOS system, Android, XP / 7 / 8 /10. Works well with Desktops / PC / Laptop / Computer / / / Android Cellphone Tablets like , , Backlight Type:MULTICOLOR Interface Type:Bluetooth Application:Tablet Size kevboard:10inch Keyboard Standard:Mini Keyboard Type:Bluetooth Wireless color:Black material: plastic Package Contents: 1 x Keyboard 1 x Mouse 1 x Charging Cable 1 x Instructions in Chinese and English 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.