Thanks for your reviewing this Compact Microphone, this Rechargeable Voice Amplifier Megaphone will meet your expectations. This is a Compact Microphone, exquisite shape and easy operation, compact and lightweight for maximum portability. Beautiful in small bodily form and easy to carry which make it a wonderful aid for various activities, effective avoiding of interference while being used outdoors powered by either rechargeable battery or external power. Portable Microphone is low distortion and effective feedback rejection. The Class Microphone is also supplied with high capacity rechargeable batteries. This Microphone features intelligent power management system for stable performance and long playtime. Excellent Microphone and affordable price, so what are you waiting for?