Wellsay Rechargeable Electric for Adults, Features Loud Sound and Compatibility with Mountain Bikes, Road Bikes, Scooters Handlebars

4 SOUND MODES: Offers up to 120 decibels of volume, allowing you to switch between 4 distinct sounds during commutes by double-clicking the "speaker" button. IPX4 WATER RESISTANCE: Designed to rainproof, making it suitable for rainy conditions. RECHARGEABLE: Includes a 200 mAh mini battery, typically requiring a charge every 40 days. EASY INSTALLATION: Secures and removes effortlessly without tools, thanks to a high-elastic silicone cover that adjusts to various diameters, fitting most handlebars. COMPACT DESIGN: Lightweight at only 25 grams, it's perfect for road, mountain, city bikes, or scooters, and can conveniently stored in a pocket or bag.