USB 5-Port Hub + Multi-Card Reader + Bluetooth Dongle
USB Submarine Card Reader Combo is a combo gadget. It is not only a common USB Hub + multi-card reader combo, but also a Bluetooth dongle at the same time. You can interact with Bluetooth devices by its Bluetooth function. Its 5-port USB hub allows you to connect 5 different USB devices at the same time and the 6-slot card reader which can read and write most common memory cards.