Voice Amplifier,SHIDU Mini Voice Amplifier with Wired Microphone Headset 15W Portable Personal Speaker MP3 Audio Sound System for Teachers,Elderly,Singing,Coaches,Yoga,Tour Guides,Outdoor Trainers

Shidu 15W Portable Voice Amplifier S512 is such a beautiful speaker that can significantly amplify your voice in the room and save your throat. Suitable for teachers, singing, coaches, tour guides, seniors, fitness instructors, parkinsons, presentation, yoga, outdoor, language, classroom and so on. It also supports TF card, U disk and aux audio input, which allows you to enjoy the wonderful music after work. ? Easy to use. The operation is downright - just plug in the headset and turn on the loudspeaker. ? Small and light. You can wear this mini voice amplifier around your waist or hang it around your neck using a collar. ? One of the best things It might work well for the elderly who do not project their voice and involve them socially. And good for those who have difficulty with their own vocal music. Specifications: Frequency response: 90Hz~18KHz Output power: 15 W. Battery capacity: 2000 mAh. Charging voltage: DC 5 V, 500 mAh. Working time: 8-12 hours (MIC mode); 6-8 hours (music mode). (It's up to the volume you control) Charging time: 3-5 hours. Sound coverage: 10000sq.ft Product size: 98 x 88 x 45mm. Product weight: 183g/0.4 lb Working temperature: -10?~45? Package 1 x voice amplifier. 1 x wired microphone headphone. 1 x waistband. 1 x audio cable. 1 x USB cable. 1 x DC 5V charger 1 x instruction manual