4K HDMI Video Output 
Simply connect with the HDMI port, mirrors your laptop's display (supports 4K at 30Hz ) on any HDMI-enabled device. 

SuperSpeed USB 3.0 
This hub transfers data over USB at incredible speeds, up to 5Gbps. That's fast enough to transfer a high-definition movie in seconds. 

Great Expansion 
One-Hub-For-All:2 x USB 3.0 Type-C charging port, HDMI Port, 1 TF card slot and 1 SD card slot,actually one hub for all possible accessories. 

Compatible USB C Devices: 
● 2017 iMac, 13“/15” MacBook Pro 2016 with Touch Bar, 12“ Retina Display MacBook 2015/2016 
● Google Chromebook Pixel 
● Lenovo 900, Lenovo 910 
● LG G5, LG V20, HTC 10 
● Dell XPS 13 (9350), Dell XPS 15 9550, Dell XPS12 9250, Dell Precision 5510 
● HP Spectre X2, HP Spectre x360, HP Elitebook Folio G1, HP Elite x2 1012 G1 
● Acer Switch Alpha 1, Acer Spin 7, Acer Chromebook R13 
● Samsung Chromebook Plus, Samsung Galaxy TabPro S, Samsung Galaxy A7 2017, Samsung Galaxy S8 
● HUAWEI MateBook. 
● Mouse (100mA), keyboard (Max. 500mA), printer or others. 

SPECIFICATIONS: 
Brand: LARMHOI 
Product Type: USB Type-C Hub 
Main Material: Aluminum alloy 
Color: Cool Grey 
Temperature (working environment): 0℃ - 50 ℃ 
Storage environment: -10 ℃- 70℃ 
Weight: 48g / 1.69oz 
Dimensions: 96.7*29.7*11 mm / 3.8*1.17*0.43 in 

Notice: 
① The hub temperature will heat up to about 38℃/99℉when it works. 0℃ - 50 ℃ is the normal and reasonable range. Not a quality problem, please feel relieved about usage. 
② The HDMI port will become more loose than the first use after being used several times. 
③ Be careful not to splash liquids into connectors in use, so as not to affect their performance The product should be kept in a dry place, do not put it in the damp environment.