1.Silicon Wristband Card 2.Frequency:125 KHz,13.56 MHz 3 ... ° C~ + 70 ° C Introduction To Silica gel wrist watch card:(1) Features: waterproof, moistureproof, shock; And high temperature resistant.(2 ... cases, all can normal charge.(4) Copy table form card containing contactless chips, can offer low frequency chip ( ... 6cm, 200 pieces/ box, optional a protection bag per card. Gross weight: 1.2 kg /box (0.76 ...