Fashion LED pet product

Key Specifications/Special Features:Features: Hold 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 different speed and brightness Just manual program with three on-board buttons 1pc of CR2032 battery, more than 20 hours continuous battery life Available in various colors Accessory: specification and 1pc of CR2032 Product size: 7 x 3.5cm Usage: fashion decoration, used as necklace FashionableAttention: Keep it from water while in use Avoid its surface damage and keep it from falling Reset a battery while the light isn't enough for the brightness or failing to start Avoiding the function effected, keep your hand touching the plate of the electronic component while working Detailed Pictures: Backside: After innovating:LED key ring