Buy RAVPower Wi-Fi SD Card Reader, Wireless Sharing, High Speed Data Transfer, One Key Backup, Wired LAN to WiFi, Wireless SD Card Reader, Large 6700mAh Battery, Supports up to 4TB iOSAndroid, FileHub
RAVPower FileHub review - The Gadgeteer
Don't travel without the RAVPower FileHub for $39.19 - CNET