lapel microphone for teaching With screen display+headset+strap+charging cable for teachers teaching face to face voice amplifier wireless voice amplifier for teachers lapel microphone with speaker

【Product Description】☆ Product name: Multifunctional amplifier☆ Appearance size: 85 * 32 * 92mm☆ Playback duration: 6 hours☆ Material: Rubber spray paint+ABS plastic☆ Usage time: 20 hours☆ Charging duration: 3 hours☆ Weight: 200g (including lithium battery)☆ Available colors: white/rose gold☆ Input signal: microphone☆ Battery capacity: 2000mAh 18650 battery☆ Type：Rose gold screen display+earphones+strap+charging cableBright white ribbon screen display+earphones+strap+charging cable☆ Signal to noise ratio: ≥ 75dB☆ Applicable audience: general☆ Lithium battery: 1200mAh☆ Charging voltage: DC5.0 V☆ Working voltage: DC3.7 V☆ Rated power: 10 W☆ Mode: K400☆ Working temperature: -5~40 ° C☆ Resolution: 80dB☆ Distortion: 1% (3.7V, 1Khz, 1W)☆ Support TF card to play music☆ Applicable to: education, tour guides, promotions, conferences【Packaging List】1Earphone, 1strap, 1*charging cable