Hi,We are looking to purchase Portable Rechargeable Mini Voice Amplifier with Wired Microphone Headset and Waistband, Supports MP3 Format Audio for Teachers, Singing, Coaches, Training, Presentation, Tour GuideI would be grateful if you would contact us with the answer to the above questions as well as your shipping and other policies we may need to know. Please add me on Skype and send me your response there salesmazacs@gmail.comThank you!Abhijit Sale SalesMaza International Ltd Show More