Portable Bluetooth Speaker - Enjoy your music anywhere with this portable wireless speaker featuring a built-in microphone; connect to any Bluetooth-enabled device for streaming or hands-free calling. Sound and Style - This retro Bluetooth speaker is great for desk decor and delivers top-tier sound through a built-in 3-watt speaker. Battery Operated - Equipped with a rechargeable lithium-ion battery, this speaker charges via a micro-USB cable in less than 6 hours. Playback Options - With USB and micro SD slots, you can play music from a variety of formats. Design - Inspired by 100 years of innovations, our products blend vintage looks with modern technology; radio products are proudly designed in the USA