mbeat® 7-Port USB 3.0 & USB 2.0 Hub with 2.1A Smart Charging Function - Lightning Speed USB 3.0 Data Transfer Technology In addition to providing 7 USB ports for expanding your PC's connectivity, this device also offers a dedicated 2.1Amp smart charging port to fast charge your smartphone or tablet. The versatile design supports USB 3.0 and USB 2.0 devices and eliminates the hassle of having to switch between devices. Specs: USB Port: USB 3.0 x 1 , USB 2.0 x 6 (includes 1 Data/Charge Port). Data Transfer Rate: USB 3.0 up to 5Gbps, USB 2.0 up to 480Mbps. Charging Port Output: 5V, up to 2.1A. Power Supply Output: 5V, 3A. Support OS: Win XP/Vista/7/8 and Mac OS 10.2+. USB Hub Cable Length: 50cm Product Dimensions: 12 x 3.1 x 2.8cm (L x W x H) Product Weight: 60g Package Dimensions: 19 x 14 x 8cm (L x W x H) Package Weight: 250g Product Contents: Unit, Power cord, Manual (inside box)