Welcome to the store! 1. CONTACTLESS: The card reader is a contactless intelligent card reader designed using contactless RF technology. A universal card reader that can be easily plugged in and unplugged during use, without the need for external power supply or user load of any driver programs. The reading is stable, accurate and reliable. 2. FAST RESPONSE: Fast reading, the speed is less than or equal to 0.2S, the maximum reading and writing distance is up to 15cm, the card reading interval time is less than or equal to 0.2S, supports IC card reading and writing. 3. FINE WORKMANSHIP: Using IC USB interface. The interface cable is wrapped in ABS material externally, which is scratch-resistant and durable. The surface is frosted and is not easy to slip and has better transmission efficiency. 4. STRONG COMPATIBILITY: Stable performance and strong compatibility, using microelectronic RF modules, for Windows, for LIUNX, for Android and other systems plug and play, without the need to install driver software. 5. EASY TO USE: The card reader is equipped with a built-in buzzer design, with a sound of up to 20dB, providing effective reminders. The LED light design is red for standby mode and green for card swiping mode, making the reader easy to use and convenient for beginners to use. Item Type: NFC Reader and Writer Material: ABS Working Current: 100mA Working Voltage: 5V Power Supply: 1W T5577 Card Frequency: 125KHZ UID Buckle Frequency: 13.56MHZ Card Reading Time: 0.2s Sensing Distance: About 0 to 15cm / 0 to 5.9 inches Communication Interface: USB Interface Power Supply Method: USB Power Supply Applicable Cards: MF S50, S70, etc. 14443A Compatible Systems: For Windows, for LIUNX, for Android and other systems 1 x Card Reader 5 x T5577 Card 5 x UID Buckle 1 x USB Data Cable Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will give you the best solution!