Mobile Phone OTG USB Portable Card Reader Type C Interface UHF RFID Handheld Writer Item Type: Card Reader Material: ABS Color: As Pictures Shown Weight: Approx. 33g/1.2ozModel: R65H Communication interface: Type cWorking voltage: 5V Working current: 100mA Working frequency band: 902MHz - 928MHz Card reader type: for ISO 18000-6C protocol label Card reading distance: 0-5cm Card reading time: <100ms Card reading speed: 0.2s Reading distance: 0.5S Status indicator: 2-color LED ("blue" power LED, "green" status indicator) Operating system: for Android (tested brands: for Samsung, vivo, Xiaomi), for Windows (for Win XP\Win CE\Win 7\Win 10\LIUNX\Vista) How e: After inserting the card reader into for Android system platform such as mobile phone/tablet, the indicator light of the card reader is "blue", indicating that the card reader has entered the state of waiting for card swiping, no need to install the driver, plug and play Test method: Open the output software for Android system platform such as mobile phones/tablets (such as editors such as memos/messages), and move the label close to the card reader, that is, the epc card number is automatically displayed at the cursor, and the carriage return function is provided.