BOOMER Portable Sound System & MP3 Player with Bluetooth from NAXA Electronics. A portable and powerful Bluetooth speaker system with built-in MP3 player and FM radio. Product Features: Stream music wirelessly from your Bluetooth enabled smartphone, tablet, or laptop Play MP3s from USB memory sticks and SD/SDHC memory cards FM radio tuner Use the 3.5mm AUX audio connection for music players without Bluetooth Built-in rechargeable battery Accessories Included: AC power adapter, AUX cable, charging cable, carrying strap Power: Rechargeable battery (1000 mAh), AC 100-240V power adapter.