USB powered (no external power or battery needed). The Size: Approx. Due to the light shooting and different displays may cause the color of the item in the picture a little different from the real thing.
eBay
USB 3.0 hub, reader, reader, reader usb, reader for pc, reader. Portable 4-Port Practical Compact USB Data Hub USB 3.0 Hub for Laptop Notebook. 4 Port USB Splitter Printer Sharing Computer External Components.
eBay
Item Type: OTG Smart Reader. 1 x OTG Smart Reader. Plug in an OTG‑enabled tablet or for phone to transfer data quickly, while connecting it to a USB peripheral such as a mouse, USB flash drive or keyboard to create the ultimate device.
eBay
TF Card Slot: TF (T-Flash). -forSD & MMC card slot: forSD /Mini-SD /SD Ultra/MMC/MMCII/RS-MMC/HS-MMC/SD C/T-Flash. 2pcs -for SD & MMC card slot: for SD/Mini-SD/SD Ultra/MMC/MMCII/RS-MMC/HS-MMC/SDC/T-Flash.
eBay
It supports SD / MMC / SDHC / DV, MS Duo / MS Pro Duo, Micro MS (M2), Micro SD / T-Flash card. For SD, MMC, RS MMC, SDHC, Mini SD, Mini SDHC. For T-Flash, Micro SD, Micro SDHC. High transmission speed.
eBay
\n1X Card Reader Adapter. \nQuantity: 1 piece. \nCard Compatibility: for MICRO SD/SDXC/TF card.
eBay
USB 3.0 hub, reader, reader, reader usb, reader for pc, reader. Portable 4-Port Practical Compact USB Data Hub USB 3.0 Hub for Laptop Notebook. 4 Port USB Splitter Printer Sharing Computer External Components.
eBay
eBay