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I am looking for approximately 30 business card size ( 9cm x 5cm or close to) programmable LED name tags that can be attached to a lanyard . Preferably the colour will be able to change or they will come in a variety of LED covers (so 5 each of 6 colours for example) I am looking for something similar the the attached photo however larger in size (as they need to be fairly visible from a distance.)
