Secure and Charge (USB Compatible). Designed for digital learning classrooms, the Secure and Charge with RockStar 10-Port USB Charging Station keeps students' tablets, e-readers and other USB charge compatible devices secure, charged, and ready for use. Suitable for most combination and keyed locksets, this station features a lockable enclosure that charges mobile devices while protecting them from damage or theft. The station can hold and charge up to 10 devices at the same time, and keeps their cables neatly organized. USB Power Delivery technology assesses each connected device and distributes up to 2.4A of power based on need for optimal, fast charging. For Laptops, Chromebook computers, Tablets and E-readers.