Shidu Voice Amplifier/MP3 & Aux Player. Black and Green color design. Model: (SD-M800).Features:- Stable Performance: Portable speaker with microphone has 18W output, sound covers up to 10000 sq.ft, makes your voice spread clear and louder among 50 to 180 people. Personal voice amplifier with wireless microphone system, let you get rid of wires trouble. Perfect for teachers, trainer, tour guide, salesman, Yoga, etc- Long Battery Life: With built-in 4400mAh rechargeable lithium battery, the working time of the speaker is about 10-12 hours with half volume, but uhf headset Mic only about 2-4 hours.- Multiple Options: The mini voice enhancer supports one-key recording, Bluetooth 4.2, AUX, TF/ Micro SD card, U disk, even as power bank for emergency charging. You can play music wirelessly or just plug in an aux cord, which is great for non-Bluetooth devices- Detachable microphone system: 2 in 1 wireless microphone headset adopts UHF wireless transmission technology - more fast and stable. With removable ear hook, can be serve as head-worn/ hand-held Mic (Note: It's neither waterproof nor Bluetooth Mic)- Waterproof and Durable Design: TPU+ABS material sporty design to ensure the speaker splashproof (but cannot be fully submerged) and support to amplify voice and play music simultaneously. We also support worry-free and professional after-sales technicalModel Number: SD-M800
