Working frequency:125KHZ /13.56MHZBattery:Lithium batteryPower on:Automatic start and stop.Communication mode:TypeC/USB/BluetoothAPP:Open source Nfc tool.Decoding mode: Read card or Detect device.Note:don't support clone card.Already implemented:1. Click the A button to switch the card slot to the right. If the card slot is not enabled, it will automatically skip and switch to the next one.2. Click the B button to switch the card slot to the left, and other features are the same as above.3. In the sleep state, press and hold the B button, insert the data cable, and then release the B button to enter the UPDATE mode:1. System startup animation2. USB wake-up animation3. BTN wake-up animation4. FIELD wake-up animationTip: When the color of the card slot is Red, the card slot is enabled with IC simulation + ID simulation at the same time.When the color of the card slot is Green, the card slot only enables IC card simulation,When the card slot color is Blue, only ID card simulation is enabled for this card slot.The printing/appearance may vary from batch to batch, but it will not affect the use; the actual product may have color difference due to different light or display.Colour:BlackMaterial:plasticPackage Contents:1 x Smart card Reader1 x USB cable(Random Color, no specified colors are accepted)2 x Adapter(Random Color, no specified colors are 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.