we have > 50 different shapesLOGO imprint or laser engrave options.

great for promotion.

PS chams materials.

NK-100: Magnetic switch --LED constantly ON or OFF

NK-200/800: 3 functions---Slow flashing, quick flashing, and steady on

Custom design charms shape: 500US$ tooling charge

Lead-Time: 20 days.

LED Necklace Pendant