1、Small all‑in‑one card reader for short‑distance recognition or background card issuer management, exquisite and compact design, stable, accurate and reliable reading. 2、Can be directly connected for Android intelligent system platform through the mini USB interface, widely used in animal husbandry management and pet management. 3、Can be plugged and plugged at will (plug and play), no need for external power supply, simple and convenient. 4、Not only can be used on the mobile phone/tablet for Android system platform, but also can be connected to a computer through OTG cable. 5、Read the label serial number data in the output software of the computer (such for Notepad\WORD\EXCEL and other editors). 1 x Phone Card Reader Item Type: Phone Card ReaderMaterial: ABSWeight: Approx. 36.0g/ 1.3ozModel: W86Working Voltage: 5VWorking Current: 100mAWorking Frequency Band: 125Khz/ 134.2KhzCard Reader Type: EMID, FXD-A, FXD-BCard Reading Distance: 0-3cmCard Reading Speed: 0.2sCard Reading Time: <100msReading Distance: 0.5SCommunication Interface: Micro USBStatus Indicator Light: 2-Color LED (Blue Power LED, Green Status Indicator Light)Output Format: Default 10-digit decimal (4 bytes)Applicable System: for Android (test brand: for Samsung/Sony/vivo/Xiaomi), for Win XP\Win CE\Win 7\Win 10\LIUNX\VistaSupport for OTG function