Specification:
Colour: dark gray
PD power supply interface: Type-C
Card slot: 2.0, 2 cards (SD TF) single disk
Card reading category: supports SD/SDHC UHS-I/SDXC UHS-I; micro SD/micro SDHC UHS-I/micro SDXC UHS-I
HDMI video output: 4K*2K 30Hz
Size: 98*34*10mm
Shell material: aluminum alloy+ABS+PC
Working temperature: 0℃~50℃
Storage temperature: -20℃~60℃
System compatibility: Windows XP/ 7/8/10, MAC OS, Linux

Features:
-With 4K @ 60Hz HDMI output, 3.5mm audio jack, USB C charging and data port, USB 3.0 port.
-Mirror or extend your screen with 4K HDMI output and directly stream 4K@60Hz UHD or Full HD 1080P @ 60Hz video to HDTV, monitors or projectors. Allows you to share stunning movies/games on a larger screen. 
-You can connect USB flash drive, hard drive, keyboard, mouse and more USB devices and transfer data at super speeds of 5Gbps. 
-Quick access to your image/video thanks to the integrated SD/Micro SD card slot
-3.5mm audio jack supports microphone input and volume control on headphones/headset.
-Ideal for school, office, home and play.

Notice:
-When connecting a USB flash drive, please pay attention to the storage format of the USB flash drive. If you cannot connect, you can convert the USB storage format to exFAT or FAT32.
-The 3.5mm headphone jack of this product only supports the US standard (CTIA). If it is OMTP standard, there may be no sound or noise, so you need to use an adapter.
-To use your headphones to answer calls or join a video meeting, you must first connect the hub to your iPad. Otherwise, the sound will continue to play through your iPad.

Compatible devices:

Tablets:
iPad Pro (11-inch) 2018
iPad Pro 2020 (11-inch) (2nd generation)
iPad Pro M1 2021 (11-inch) (3rd generation)
iPad Pro 2018 (12.9-inch) (3rd generation)
iPad Pro 2020 (12.9-inch) (4th generation)
iPad Pro M1 2021 (12.9 inches) (5th generation)
iPad Pro M2 2022 (11-inch) (4th generation)
iPad Pro M2 2022 (12.9-inch) (6th generation)
iPad Air 2020 (10.9-inch) (4th generation)
iPad Air M1 (10.9-inch) (5th generation)
iPad Mini 6 2021 (8.3 inches)
iPad 2022 (10.9-inch) (10th generation)
Samsung Galaxy Tab S7/S7+/S6

Laptops:
MacBook Pro 13'',16'' 2020 / 2019/ 2018 / 2017 / 2016, MacBook Air 13.3'' 2020 / 2018, iMac models from 2017 onwards
MacBook 12-inch 2017 / 2016 / 2015, Dell XPS 15 / XPS 13, Latitude 15 5580, Dell Precision 15 (5510)
Microsoft Surface Book 2, Surface Go, ChromeBook Pixel
Lenovo Yoga 910, Yoga 720, Yoga 900 13-inch, HP Specter X360

Cell phones:
Samsung Galaxy S23, S23Ultra, S22, S22 Ultra, S21, S21 Ultra, S21+, S20, S20+, S20 Ultra, S10 / S10+ / S10e / S9 / S9+ / S8 / S8+
Samsung Note20/Note10/Note9/Note8
Huawei P40/P30/P20/Mate 30/Mate 20/Mate 10

Package included:With retail box
1x Docking station
2x Removable holders

Note:

Only Docking station ,all card or cable not included