Item Type: Hub Gross Weight: 61.00g Packing Size: Approx. 16.00 x 7.00 x 3.00cm / 6.30 x 2.76 x 1.18 in TYPE-C Interface: Single charging function USB3.0 Extension: Support (100~200M/S) HDMI Video Output: Support 4K 30HZ 3.5 audio interface (temporarily does not support voice call volume adjustment) Can be Connected: U disk, mouse keyboard, etc. Read TF Card Function: Support Support Memory: Up to 128G Speed: 2.0 (20~40M/S) Interface: HDMI+3.5+USB+PD Material: Aluminum alloy 1、4K HDMI display can enjoy the 2018 for iPad Pro's high-brightness with high-resolution 4K HDMI display (30Hz) for accessibility presentations, conference calls and video streaming anytime, anywhere! 2、USB-C power delivery allows two-way charging to quickly power your 2018 for iPad Pro or as a portable mobile power source (when connected for iPad) to charge connected USB-C devices. We recommend using a power adapter of at least 30W to maintain the charging speed. 3、Entitled with pratical adoptability, its high quality can keep its high performance for a long time, and it is durable. 4、For recovering your peripherals, Type-C mobile Pro hub offers a 3.5mm headphone jack and an additional USB 3.0 port for photo media transfer. 5、With USB-C compatibility, it supports for iPad Pro 2018, for Samsung Galaxy S9 Plus/S9 / 8 Plus/8 / Note 9/8, for Microsoft Surface Go / Surface Book 2, for Google Pixel 3 XL / 3, for LG V30, for Huawei Mate 20, for HTC U12 +, for Microsoft Lumia 950 XL / 950, etc. And it does not support for iPad models of 2017 and before 2017. 1 x Hub