led display Size:7.7* 3.5*1.1 cm Color: red, white, green, pink, etc. Wear way: chain or ring. Key: led keyring, led chain

Product:

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Key Specifications/Special Features:

Features: Dot-matrix: 5 x 19 dotsHold up 6 messages in memory (up to 512 characters for first message, and  256 characters for others message)Letters, numbers, and simple images are supported 9 speed and brightness level.Just manual program with three onboard buttons (1pc of CR2032 battery, more than 20 hours continuous battery lifespan)Various colors are available Accessory: 1pc of CR2032Product size: 7 x 3.5cmUsage: fashion decoration, used as necklaceAttention: Keep it from water while in useAvoid its surface damage, keep it from fallingReset a battery while the light isn't enough for the brightness or failing to startAvoiding the function effected, keep your hand touching the plate of the electronic component while working 

LED name keyring board