Voice Amplifier Portable Microphone and Speaker Loudspeaker Personal Microphone Speech Amplifier Clip On for Teacher, Elderly,Coaches, Training, Presentation, Tour GuideAmplfier your voice and save throat from now! (^o^)/Main Fetures: (^o^)/ 1.Sound clear and soft, no distortion, good amplification effect2.When playing music, the "A-B" part repetition function can intercept a section of music, then loops this section of music. Can be used for reading, listening and writing.3.Voice Amplifier speaker supports for TF cards or USB flash drives, also works as an MP3 audio player, which is fit for singing, dancing and yoga.4.Built in 800mAh rechargeable Lithium polymer battery5.A really great voice aid for doing presentations or running meetings, particularly if one is having trouble with one's own vocal volume.6.Portable speaker microphone provides a sound system for meeting,teaching, training,outdoor activities like wedding,Yoga classroom even for tourist guide,elder and whisper etcPackage includes:1*Voice Amplifier Speaker/ 1*Wired Microphone/ 1*Waistband/ 1*Charging Cable/ 1*ManualNote:?Please do not face microphone to speaker too close in case of feedback noise happens;