Introducing our Rechargeable Loud Electronic Whistle with Lanyard. Available in four vibrant colorsblack, red, yellow, and bluethis whistle features an integrated LED lighting system for added visibility. With adjustable volume settings, it is versatile for various uses. The rechargeable design ensures long-term functionality, and the included lanyard offers convenient portability. Customize with your logo for a unique touch. Made from abs material, measuring 1.38*5.51 inches, this custom rechargeable loud electronic whistle with lanyard. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. We offer logo printing and full packaging customization. Product Highlights: Lightweight, durable clip, easy to display.