1.EM4100 Chip
2.125khz
3.Black wristbands with white square
4.silicone material
5.read only,can't rewritable.
6.adjustable size

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1.EM4100 Chip
2.125khz
3.Black wristbands with white square
4.silicone material
5.read only,can't rewritable.
6.adjustable size


  • 125khz EM4100 Chip,READ ONLY,can't rewritable,If you need rewritable cards,please contact with us
  • READ ONLY,All the chip has pre-programmed with Unique ID number,but UID can't change,JUST READ ONLY
  • it's normal 125khz id chip,not H ID Chip,so it can't work with HID reader
  • All the Package has YARONGTECH Brand sticker to make sure you buy our brand wristbands
  • silicone material,adjustable size,logo printing is optional
  • 125khz EM4100 Chip,READ ONLY,can't rewritable,If you need rewritable cards,please contact with us
  • READ ONLY,All the chip has pre-programmed with Unique ID number,but UID can't change,JUST READ ONLY
  • it's normal 125khz id chip,not H ID Chip,so it can't work with HID reader
  • All the Package has YARONGTECH Brand sticker to make sure you buy our brand wristbands
  • silicone material,adjustable size,logo printing is optional

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