... more elegant.4. Promotional gift, makes your product outstanding.5. Children's toy, makes your product be more attractive, ... , light, voice, temperature, PIR or timing. Specifications:LED flashing module with colorful LED light, widely applied for wearable, souvenir, decoration gift, ... wax-free, heatless, non-toxic, 4. USB input, with LED flash5. Can be used for bars, anniversary, wedding, party, ...