Overview Designed for those seeking a compact yet powerful personal voice amplification solution, the S17 Portable Voice Amplifier combines a lightweight, portable design with robust 30W output power. It effortlessly projects your voice to audiences of 25–100 people, reducing vocal strain while ensuring clear, reliable sound—ideal for teaching, presentations, coaching, tours, and outdoor events. Product Details The S17 features a flexible gooseneck headset microphone that positions comfortably near the mouth, along with an adjustable waistband and clip for easy portability. Powered by a high-capacity 2200mAh rechargeable lithium-ion battery, it delivers up to 12 hours of continuous use and recharges fully in 3–5 hours via the included USB cable. Built for stable performance, this amplifier is suited for educators, trainers, guides, singers, and presenters who need consistent, hands-free voice projection. Key Features 1. Compact & High-Power Output – Despite its small size (8.4×9.2×2.8 cm) and lightweight build, the S17 delivers 30W of clear amplification, making your voice easily heard by groups of 25 to 100 people while protecting your vocal cords. 2. Long-Lasting Battery – Equipped with a 2200mAh rechargeable lithium-ion battery that provides up to 12 hours of operation on a full charge. Recharging is convenient via the included USB cable and takes only 3–5 hours. 3. Comfortable & Portable Design – Includes an adjustable waistband for wearing around the waist or neck, plus a rear clip for attaching to belts or waistbands. The wired headset microphone is fully adjustable for a customized fit. 4. Stable & Reliable Performance – Engineered for consistent sound projection, the flexible gooseneck microphone stays securely positioned near the mouth, making it ideal for events, classes, tours, presentations, and outdoor speaking. 5. Wide Compatibility – Perfect for teachers, trainers, singers, coaches, tour guides, presentations, yoga instruction, mall announcements, outdoor speeches, and various other voice amplification needs.