?Thoughtful after-sales service?- 8-hour response, 45-day money-back guarantee, 24-month free replacement. We will provide the best after-sales service for our customers. Please feel free to contact us if you have any questions about it. We are happy to accept returns and full refunds. Customer satisfaction is our motivation for continuous improvement!. ?SD/TF Storage Expansion & Fast Transmission?- TF /SD card slots can be used simultaneously, with reading speeds up to 104MB/s. Support different memory card formats such as SD, SDHC, Micro SD, MMC, and SDXC. 2 USB 3.0 data ports are primed to transfer large files up to 5Gbps, down compatible with USB A 2.0 and below. ?100W Power Delivery Dock?- Trenkyo USB-C charging input port of this hub could connect a power adapter up to 100W power delivery to keep your laptop high-speed charging while you're using all other functions of the hub. Please make sure the USB-C port of your device supports the charging function. ?Excellent heat dissipation?- Aluminum alloy shell material, anodized sandblasting process, good heat dissipation, wear resistance, anti-fingerprint. Stable transmission and excellent performance during use. ?USB C HUB 8 IN 1?- Trenkyo USB-C Adapter features a 100W PD fast charging port, Type C charging port, 4K 60Hz HDMI port, 1Gbps Ethernet, 2*USB 3.0 ports, SD/TF card reader for Macbook laptops, phones, iPads, and other devices.