The LPR has a built-in Bluetooth to communicate with computers, smartphones and Iphone/Ipad.
The blue light indicates the current Bluetooth state.
The reader emits a single beep when the Bluetooth connects and 3 beeps when it disconnects.
The USB port allows the device to transmit and receive data via USB connection to your computer.
The reader has a orange light indicating the battery level or the charge status when a USB charger powered the device.
Takes approximately 3 hours to fully charge.