Wi fi flash drive interface 1x usb 20 sd card frequency band 24 ghz type external target audience home users external file systems exfat ntfs fat32 fat networking wifi connections 1x usb 20 wireless lan standards g g wifi frequency band 24 ghz number of user licenses 3 case portable type of battery li polymer battery capacity 1 810 mah battery life 5 h display status without optical disc drives without special features battery operated