GPO brings back the 80s. The boombox is making a comeback. The Brooklyn takes a time travel into the 21st century. Get your old cassette tapes out of the basement and let's go. The boombox features some new functions: USB port for MP3 recording onto a USB stick, easy MP3 recording from CD and cassette to USB stick at the push of a button, high-quality and sturdy construction, battery operation (1.5 hours charging time, 4 hours battery life), RCA input and 3.5 mm aux, compatible with external speakers.