S613 UHF Wireless Portable Voice Amplifier 18W Mini USB Speaker for Teachers, Tour Guides & Yoga Instructors

Compact S613 UHF voice amplifier designed for classroom, tour and fitness use — delivers clear, powerful sound in a lightweight package. Ideal for teachers, tour guides, yoga instructors and presenters who need reliable voice projection and long runtime. Portable USB charging and UHF wireless capability make it easy to move between venues. Key Specifications: - Output Power: 18W - Charging Voltage: DC 9V, 650mah - Lithium Battery: 7.4V, 2Pcs * 1100Mah - Working Time: With 50% Volume 6~8 Hours (Musical Mode); 10~12 Hours (Wired Mic Mode) - Charging Time: 3~5 Hours - Product Size: 98*88*43mm - Unit Weight: 224g - Available Color: Blue; Black - Working Temperature: -10~45 - Frequency Response: 90Hz~18Khz - Sound Coverage: 2000 - Wireless Distance: 10-20M Uses & Related Items: Great as a voice amplifier for teachers, classroom microphone for teachers, portable microphone and speaker, voice amplifier wireless microphone, portable speaker with microphone, or microphone and speaker solution for small to medium groups.