Overview The S17 Personal Voice Amplifier is designed for individuals seeking a compact, lightweight solution to project their voice clearly and effortlessly. With 30W output power, it delivers robust sound amplification while protecting vocal cords, making it ideal for addressing groups of 25 to 100 people in teaching, training, presentations, tours, and outdoor events.Product Details Engineered for portability and performance, the S17 features a high-capacity 2200mAh rechargeable lithium-ion battery offering up to 12 hours of continuous use. It supports convenient USB charging and reaches full power in 3–5 hours. Designed for comfort, it includes an adjustable waist or neck strap, a rear clip for securing to belts or waistbands, and an adjustable wired headset microphone with a flexible gooseneck design for precise positioning. Stable and reliable, this amplifier ensures consistent audio projection for professional and daily use.Key Features 1. Compact & Powerful – Despite its small size (8.4×9.2×2.8 cm) and lightweight build, the S17 delivers 30W output to clearly amplify your voice for audiences of 25–100 people. 2. Long Battery Life – Equipped with a 2200mAh rechargeable battery providing up to 12 hours of operation and quick USB charging in 3–5 hours. 3. Comfortable & Portable – Includes an adjustable strap for waist or neck wear, a rear clip for attachment, and an adjustable wired headset microphone for all-day comfort. 4. Stable Performance – Features a flexible gooseneck microphone that stays securely near the mouth, ensuring consistent, clear sound projection for various speaking scenarios. 5. Wide Compatibility – Perfect for teachers, trainers, singers, coaches, tour guides, presentations, yoga instruction, outdoor speeches, and more.