Working frequency:125KHZ/13.56MHZ Battery:Lithium battery Power on:Automatic start and stop. Communication mode:TypeC/USB/Bluetooth APP:Open source Nfc tool. Decoding mode:Read card or Detect device. Support clone card. Colour:Black Material:PC Package Contents: 1 * Smart Chip Reader 1 * USb cable 1 * Adapter(The color and style of the adapter are random, no specification is accepted) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.