Size: From 65 to 74mm (or even more depends on your requirement, could be customized upon quantity)
color: black, red, white, blue (and more)
waterproof, shock proof and high temperature.
closed-loop wrist strap, flexible, easy-to-wear, easy to use.
could be produced as 125 Khz or 13.56 Mhz chipset
can print simple logo for custom order
surface can be offset, screen printing, marking, product quantities can be specified color.
widely used in swimming pools, cooling libraries, water inspection, field operations and other extremely humid environment, even a long soak in water and other adverse circumstances, can be normal credit card.
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Block 4 West, SEG Technology Park, Hua Qiang Road North, Shenzhen, China