Gigastone is a global brand that sells products all over the world. We strive to achieve the best specifications for our SD cards and provide customers with high quality and stable performance. Our SD cards are built with fast read speed up to 100 MB/s. This ultra-high speed memory card is UHS-I enabled with U1 speed grade, which is ideal for capturing Full HD (FHD) high resolution photos and video, 2 times faster than your usual SD card. High speed & Charging: Transfer data with a USB 3.0 (5Gbps) port. SD and microSD card slots offer versatile access. Powered USB C hub offers 100W pass-through charging for USB-C power adapters (Reminder: not all laptops support USB-C PD) USB-C Hub 7-in-1: PD 100W charging port x 1, 4K HDMI port x 1, Micro SD card reader x 1, SD card reader x 1, USB 3.0 x 2. Easy to connect and use.