The Milling Eco-Friendly Speaker and Wireless Charger is a premium addition to our speaker lineup. With dual stereo speakers and a cork cab, the clarity and bass you get will amaze you! We also upgraded the wireless charging pad to have an output of 10W, meaning you can quick charge mobile phones, and even charge tablets! The huge imprint area on top of the speaker combined with our premium UV Full Color Imprinting is the perfect space for your creative branding. This speaker will look so good, it'll never leave your customer's desk! - Nature material of Cork '-Bluetooth version: V5.