Size : 87 keys
Tri modes : Bluetooth or USB Type C modes 
Battery : Built-in 1850 mAh rechargeable battery
Material : ABS two-color injection closed keycap, iron plate, plastic lower cover, PVC wire, USB interface
Keyboard color : black
Keyboard backlight color : RGB backlight
Switch type - RK Mechanical switches (Blue or Red) 
1 Year official warranty 

RGB Software Control Link

https://www.mediafire.com/file/ef9cpca2w1hp90z/RK_G87_RGB_Keyboard_V1.03n.rar/file

RK G87 Mechanical Keyboard Black (Hot-swappable Blue or Brown Switch)

51.00$Price