- Material: Made from high-quality acrylonitrile, ensuring durability and longevity. - Imported: This product meets international standards for quality and performance. - Adjustable Sound Levels: Features a volume range of 50-120dB, allowing for customized sound intensity. The sound mimics natural tones, progressively increasing in volume without harshness, and provides clearer directional sound. - Enhanced Sound Wave Technology: The second-generation model has improved sound quality compared to the previous 120dB version. It delivers a classic, soft sound that is comfortable for the ears. - Versatile Sound Options: Choose from four distinct sound modes: Metal bell, Siren horn, Tram bell, and Vibrating bell. Each sound can be adjusted between 50-100dB, ensuring a pleasant auditory experience without irritation. - Waterproof Design: Rated IP65 for water resistance, making it suitable for various environments and conditions. - USB Rechargeable: Equipped with a built-in 280 mAh lithium battery. Convenient USB charging allows for a quick 1.5-hour full charge, providing 20-30 days of use, with the ability to ring 1000-1500 times and a standby time of up to 180 days. Applications: 1. Ideal for outdoor activities, providing reliable sound signaling for hiking or camping. 2. Perfect for home use, offering a gentle alert for doorbells or notifications without disturbing others. 3. Great for use in offices or shared spaces, ensuring clear communication without overwhelming noise levels.