THE ULTIMATE PARTY SPEAKER - The bumpboxx Ultra comes with a carrying strap, charging block, remote control, 3.5mm Line In/Line Out, RCA Adapter and a 1-year manufacturers warranty. OLD SCHOOL WITH AN UPGRADE - Our old school boombox has an extreme rear bass radiator with bass and treble knobs to give you control over your sound, making it the perfect party speaker. Audio Specifications: 2 Drivers, 2 Tweeters and 140 Watts of Max Power. CRYSTAL CLEAR PARTY MUSIC - The bumpboxx Ultra Bluetooth Boombox allows for TWS wireless pairing with 2 units, a USB player, and 3.5mm aux for easy connection. It’s wireless with a 22 hour rechargeable lithium battery, which easily powers up with a USB charging port. WIRELESS - Ultra Loud, Ultra Light, Ultra Fresh. Our lightest & smallest model still keeps it loud and personal with several colors to choose from. This super portable model weighs only 7 pounds and features a bass radiator on the backside. PORTABLE BLUETOOTH SPEAKER - Bumpboxx is the largest, loudest Bluetooth-enabled boombox. We’re bringing back the nostalgic feel of the original Boombox, accompanied by great sound, deep bass and piercing highs.