Here is Really Novel Way to Amplify the Sound From Smartphone, as If by Magic. Simply Position Your Device in Sensor Area of Our Boombox Speaker & the Sound From the Internal Speaker is Immediately Amplified. Boombox Speaker is Fully Compatible with Iphone & Android Platforms. Fashioned in Lightweight Yet Durable Cardboard Card Material, Striking Branding Can be Achieved Across All Faces in Full Colour While Battery Power Gives You Up to 6 Hours Playing Time, with the Option to Connect the USB Cable to Power Bank or USB Power Port for Continuous Playing. Volume Can be Adjusted on Your Device or Via the Speaker’s Volume Control. Minimum Quantity: 1000.