These bases come with 7 different colours which can also be dimmed or set to a flashing mode.
They come with a USB cord which can connect to an adapter (like a mobile phone charger) to a computer or USB port.
They also come with a cleaning cloth and individually boxes.
Each base measures
BASE - 145mm(L)x 35mm (H) x 60mm(W)
SLOT MEASUREMENT - 93mm
ACRYLIC SOLD SEPARATELY... THIS IS FOR THE BASE ONLY