Powermat Home & Office Mat (Black) [Doors Sold Separately] A simple, fast and efficient way to keep all of your personal electronic devices charged Sleek, minimalist design that's perfect for home, office, and anywhere else you park your electronics Four charging positions--three wireless, and one wired USB connector for charging a fourth device Individual tone and light controls; doors sold seperately Includes Universal Powercube with 8 interchangeable tips (Mini and Micro USB, Apple, Samsung, LG, Nintendo DS Lite and DSi, and Sony PSP)