The Shidu Voice Amplifier & FM Portable Pocket Radio Speaker. Black amp/speaker color. Model: SD-S278.Features:- SMALL BUT VERY POWERFUL -- If you are looking to purchase a personal voice amplifier that is small in size and lightweight, then S278 is right up your alley. It is a portable microphone speaker with 15 watts output power, which can clearly amplify your voice and protect your vocal cords, allowing you to easily make your voice heard by 20 to 65 people.- LONG BATTERY LIFE -- The small voice amplifier has a high capacity 2500mAh rechargeable Lithium Ion battery that provides up to 12 hours of operation from a fully charged battery.Charging is simple via a USB cable that is included. And it only takes 3-5 hours to fully charge.- LIGHTWEIGHT & PORTABLE-- S278 voice amplifier is only 4.5 * 3.5 * 1.3 inches and 0.44 lbs. This portable mini voice amplifier includes adjustable waist/neck band for hands-free portability.- MULTIFUNCTIONAL AMPLIFIER -- It is not just a portable voice amplifier for teachers, but also a music player. You can play music from a TF card/USB flash disk or stream the music from your Bluetooth-enabled devices like Phone, Tablet via Bluetooth and Non-bluetooth device via Aux input. Besides, FM radio and recording function add extra value to the speaker.- STABLE PERFORMANCE -- It is a original voice amplifier with stable performance. The portable headset microphone is a flexible goose neck design that directly positioned near your mouth. Great for anyone who does events and needs to project their voice. Suitable for Teachers, Coaches, Tour Guides, Conference & Singing.Model Number: SD-S278
