Simplecom CR309 3-Slot SuperSpeed USB 3.0 Card Reader with Card Storage Case
Built-in storage case for memory cards
Built-in storage case for 3 different size cards: SD, MicroSD and CF, that can protect your valuable memory cards from damage or loss.
Built-in and foldable USB cable
Convenient for storage or travel, you can fold the USB cable when not in use, and no need to worry loss of USB cable.
Plug & Play, hot-swappable
It’s driverless and plug & play, makes for easy installation and no software is needed, Windows and Mac compatible.
SuperSpeed USB interface up to 5Gbps
10 times faster than USB 2.0, make it faster to transfer large file or the high definition movie, also backwards compatible with USB 2.0.
Features
3 Slot Card Reader with memory cards storage case
Supported SD, SDHC, SDXC, microSD, microSDHC, microSDXC and CF Cards
Built-in and foldable USB cable, convenient for storage or travel
Built-in storage space for 3 different size cards, protect cards from damage or loss
SuperSpeed USB 3.0 interface up to 5Gbps
Backwards compatible with USB 2.0
LED indicator for memory card read and write activity
Plug and Play, no driver software required
USB powered, no external power required
Compatible with Windows and Mac
Specifications
Transfer rates: SuperSpeed up to 5Gbps
SD Slot: SDXC, SDHC, SD, MMC, RS-MMC
MicroSD Slot: Micro SD, Micro SDXC, Micro SDHC, UHS-I
CF Slot: CompactFlash Type I
Storage Case: 1x SD, 1x MicroSD, 1xCF
Dimensions: 81x53x15mm
Weight: 45g
Power/activity LED: Yes
Material: ABS plastic
Operational temperature: 0 – 45°C 
Working humidity: <85%
System Requirements: Compatible with Windows and Mac