1. This 125kHz low-frequency mobile phone card reader can only read tags in the 125kHz frequency band. 2. Plugs directly into your phone with a Micro USB connector for plug-and-play operation, offering strong compatibility and high transmission efficiency. 3. Connects to your phone via OTG communication to automatically output the read card number to the cursor position, simulating keyboard typing and automatically wrapping to new lines, making operation more convenient and easy to use. 4. Operating voltage: 5V 5. Operating current: 100mA 6. Operating temperature: -20 to 70 degree Celsius 7. Card reading time: Less than 100ms 8. Operating system: Android 9. Reading distance: 0-30mm (front/back), 0-10mm (side) 10. Dimensions: 35x35x7mm 11. Weight: 20g
