BT Interface Protocol
BT Smart (BT Low Energy /BT 4.0) BT Interface Power Source
Rechargeable Lithium-ion Battery (Charging through USB) USB Host Interface Type
Four Line:+5V,GND,D+ and D- USB Host Interface Connector Type
USB Host Interface Cable Length
Contactless Smart Card Standard
ISO 14443 Type A,MIFARE,DESFIRE Operating Distance
Up to 25mm(depending on tag type) Smart Card Read/ Write Speed