led name necklace. Size:7*6.8cm. Color: red, blue, green, yellow, etc. ... . Product:Battery:Key Specifications/Special Features:Features: Heart-shaped necklace Hold up 6 messages in memory (up to 512 characters ... : 7 x 3.5cm Usage: fashion decoration, used as necklace FashionableAttention: Keep it from water while in use Avoid its ... the plate of the electronic component while working led name necklace