15W Portable Voice Amplifier Wired Microphone FM Radio AUX Audio Recording Bluetooth Speaker Megaphone For Teachers S278

Note: Before turn on the voice amplifier, ensure that the MIC don't point at the Speakers amplified, this will eliminate any annoyance associated with howling. For ensure better amplification, aim at the headset MIC capsule when speaking, and keep the distance between the voice amplifier and the MIC more than 60 cm to avoid howling. Simply tucking the speaker around waist, and mounting headphone over head can help achieve the required distance.

Specifications: 1. Output Power: 15W 2. Charging Voltage: DC 5V, 0.5A 3. Lithium Battery: 3.7V, 2500Mah 4. Working Time:With 50% Volume 8~10 Hours (Musical Mode); 10~12 Hours (Wired Mic Mode) 5. Charging Time: 3~5 Hours 6. Product Size: 115*86*35mm 7. Unit Weight: 204g 8. Available Color: Black 9. Working Temperature: -10℃~45℃ 10. Frequency Response: 200Hz~18Khz 11. Sound Coverage: 800㎡

Main Featuers: 1. 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; 12. Support FM Stereo Radio.

Standard Package: 1 * Main Machine 1 * Waistband 1 * Microphone 1* USB Cabel 1 * User Manual

Hign-concerned Chemical: None Range: 90Hz-18KHz Power Output: 15W Support MP4: No Support MP3: Yes Voice Record: Yes Dimensions (WxHxD)): 10.5cm*8.6cm*3.5cm Weight: 204g Material: TPU+Plastic Model Number: S278 Battery Life (Hour): 10 Hours Item Type: Wearable Megaphone Brand Name: SHIDU Origin: Mainland China Battery Life: 6 Hours Certification: CE,FCC Feature 1: Portable Voice Amplifier Teachers Feature 2: Rechargeable Microphone with Amplifier Feature 3: Portable Teacher Voice Amplifier Speaker Feature 4: Bluetooth Speakers Audio Amplifier Feature 5: One Touch HiFi Recording Feature 6: Bluetooth/FM Radio/USB flash drive play/TF card play /AUX mode Power: Rechargeable 2500mah Lithium Battery Sound Coverage: 800㎡ Wireless Distance: 30-35m