Number of devices supported: 10 Operating principle: Contact Desktop & wall mounted Locking Black, White ALL DEVICES WELCOMEStore and Charge Go with Portable Trays + Rockstar 10-Port USB Charging Station is the ideal solution to store and charge multiple devices safely and conveniently. A base unit stores up to 10 devices and can be attached securely to a desktop or wall to save space. Removable five-compartment trays add portability for easy transportation. Charge up to 10 USB charging compatible devices at the same time while housing charging cables neatly within the base unit. Universal compatibility means the Store and Charge Go offers solutions for Chromebook computers, laptops, tablets, and more.PORTABILITY IMPORTANT?Two lightweight removable trays fit snugly within the base unit. Each of the five-device trays feature easy-carry ergonomic handles so its simple to distribute devices to students.MULTI-DEVICE COMPATIBLEUniversal compatibility accommodates Chromebook computers, lapt