Ultra-High Definition Easily stream media to a bigger monitor or television in stunning 4K @ 30Hz. For a 60Hz frequency, please set the definition of your device to 2K. Compatible with iOS and Android devices. Transfer Large Files Quickly 2 USB 3.0 ports sync a complete music library or an entire photo album nearly instantaneously with 5 Gbps data transfer. For a stable connection, don’t connect high-power devices exceeding a combined current of 900mA. Charge & Use Simultaneously Enjoy high-speed pass-through charging while using. Maximum input of 60W minus 12W for the hub’s operation allows the hub to give your MacBook up to an 48W pass-through charge while using other functions. Compact and Portable Measuring just 4.6 × 2.1 inches, the compact and lightweight design fits easily into your bag or pocket for effortless portability. Travel pouch included.