The B30 is a compact and lightweight charging cart with smooth mobility to manage devices anywhere in the classroom Smart cable management - Clip-in cables and easily connect devices with front cable management Optimize charging by efficiently charging devices at the same time Locking front access doors provide additional security with two keys included Supports 30 devices - Safely charge tablets, Chromebooks, and laptops with screens up to 14' Slot size: 0.95'w x 14.74'd x 10.2'h