JBL Go 4 Ultra-Portable, Waterproof and Dustproof Bluetooth Speaker, Big Pro Sound with Punchy bass, 7-Hour Built-in Battery, Made in Part with Recycled Materials (Sand)

Don't let its little size fool you. The JBL Go 4 packs a serious musical punch, delivering big JBL Pro Sound with punchy bass. Your friends won't believe how much great JBL Pro Sound comes out of such a small speaker.