I-TEC USB 3.0 Metal HUB 4 Port 80042848 U3CHARGEHUB4 Product Description: i-Tec USB 3.0 Metal HUB 4 Port with individual On/Off Switches - hub - 4 ports Device Type: Hub - 4 ports Subtype: USB Ports: 4 x SuperSpeed USB 3.0 Features: 4 on/off switches Dimensions (WxDxH): 10.3 cm x 3.1 cm x 1 cm Weight: 41 g Colour: Black System Requirements: Windows 10, Apple MacOS X, Android, Linux, Google Chrome OS 51 or later Manufacturer Warranty: 2-year warranty