B duck Bluetooth mechanical keyboard mouse sets

This set includes: mechanical keyboard x1 keyboard hand pillow x1 big keyboard pad ( or u can use as mouse pad) x1 USB 1.5meters long X2 ( even though they are Bluetooth, still can be used with cable)  bluetooth mouse x1  Keyboard weight:810g keyboard size: 306x144.5x30.6mm please check the picture with the size description  It can be used on any system either IOS windows android or Linux  keyboard pads (or u can use as mouse pads) size 900x320mm B duck collaboration.