The Yesido GS20 is a portable and mini USB OTG adapter designed to read TF RFID cards efficiently. Built with a durable zinc alloy shell, it ensures fast and stable data transmission, making it ideal for both mobile phones and computers. Perfect for data transfer, emergency file access, and on-the-go usage. Specifications: Brand: Yesido 3C Consumer Electronics Wholesale Model: GS20 USB to TF RFID Card Reader Applicable to: Smartphone, Laptop, Computer Type: Data Transfer Interface: USB to TF RFID card Length: 3CM Material: Zinc Alloy Shell Function: For data transmission and charging converters Features: Mini and portable design USB to TF RFID card support Supports fast data transfer Supports charging Ideal for emergency use and TF card access