1,RFID Wristbands 2.For sports\concert meeting,Swimming pool 3.Customized logo is ok 4.Eco-friendly material 5.For promotion RFID Wristbands :1. ... Made of 100% Silicone,2.MOQ:1, ... SLI etc,thus it provid an optimal solution for different RFID applications.Frequency: 125KHz, 13.56MHzChip: TK4100,EM4200,T5577,Mifare ...