Feature: 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). Specification: Item Type: Phone Card ReaderMaterial: ABSWeight: Approx. 36.0g/1.3ozModel: W86 Working Voltage: 5V Working Current: 100mA Working Frequency Band: 125Khz/134.2Khz Card Reader Type: EMID, FXD-A, FXD-B Card Reading Distance: 0-3cm Card Reading Speed: 0.2s Card Reading Time: <100ms Reading Distance: 0.5S Communication Interface: Micro USB Status 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\Vista Support for OTG function. Package List: 1 x Phone Card Reader