SHIDU S278 15W Rechargeable Portable Bluetooth Voice Amplifier with Wired Microphone Megaphone FM Radio AUX Audio Recording Mic Speaker for Teacher and Guides Loudspeaker

Specifications:1. Output Power: 15W2. Charging Voltage: DC 5V, 0.5A3. Lithium Battery: 3.7V, 2500Mah4. Working Time:With 50% Volume 8~10 Hours (Musical Mode); 10~12 Hours (Wired Mic Mode)5. Charging Time: 3~5 Hours6. Product Size: 1158635mm7. Unit Weight: 204g8. Available Color: Black9. Working Temperature: -10℃~45℃10. Frequency Response: 200Hz~18Khz11. Sound Coverage: 800㎡Main Featuers:1. SHIDU Patented Appearance;2. Stylish, Ergonomic And Comfortable Design;3. High Power Double Magnetic Trumpet --- More Clear And Penetrating;4. Bluetooth 4.2 Chip, Singnal Transmission More Fast And Stable;5. Wired MIC With Built-In High Quality Lithume Battery;6. OLED Screen，Adopt 3.5 Inch HiFi Double Magnetic Big-Size Trumpet, Maximum Peak Up To 15W;7. Adopt Shidu Acoustic Amplification Electroacoustic System;8. Equipped With SHIDU Special Acoustic Microphone --- HiFi Original Sound Amplification;9. Super MP3 Audio Encoding Technology --- Support TF Card & U Flash Disk;10. One Touch HiFi Recording; 11. Support AUX --- Can Connect With PC And Work As Speaker;