Wireless Bluetooth StreamingWirelessly stream high-quality sound from your smartphone or tablet.5 hours of playtimeThe built-in rechargeable battery supports up to 5 hours of playtime.Big sound for little music fansKids can party like a Popstar with the JBL JR POP Bluetooth speaker. Parents dont need to worry because it is built with durable materials and is even fully waterproof. Packed with a rechargeable battery to enjoy up to 5 hours of playtime. The fun built-in light mode will engage young music fans with the music. Ultra-portable with strap and sized for little hands. Plus JBL JR POP delivers great JBL signature sound and is tough enough to handle the playground with ease.