Welcome to our store! 1. NON-CONTACT: The card reader is a contactless intelligent card reader designed with contactless RF technology. It's a universal card reader that can be easily plugged in and out during use, requiring no external power supply or user driver installation. Reading is stable, accurate, and reliable. 2. FAST RESPONSE: Quick reading speed, less than or equal to 0.2S. Maximum read/write distance up to 15 cm. Card reading interval less than or equal to 0.2S. Supports IC card reading and writing. 3. FINE WORKMANSHIP: Uses an IC USB interface. The interface cable is encased in ABS material externally, making it scratch-resistant and durable. The frosted surface prevents slipping and offers better transmission efficiency. 4. STRONG COMPATIBILITY: Stable performance and strong compatibility. Utilizes microelectronic RF modules for Windows, LIUNX, Android, and other systems. Plug and play, no driver software installation required. 5. EASY TO USE: The card reader features a built-in buzzer for effective reminders, with a sound of up to 20dB. The LED indicator is red for standby mode and green for card-swipe mode, making the reader user-friendly and convenient for beginners. Item Type: NFC Reader 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: Approx. 0 to 15 cm / 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 Package Contents: 1 x Card Reader 5 x T5577 Cards 5 x UID Buckles 1 x USB Data Cable Customers are our top priority. If you encounter any issues with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.