Wireless Bluetooth Streaming Wirelessly stream highquality sound from your smartphone or tablet. 5 hours of playtime The builtin rechargeable battery supports up to 5 hours of playtime. Big sound for little music fans Kids can party like a Popstar with the JBL JR POP Bluetooth speaker. Parents don’t 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 builtin light mode will engage young music fans with the music. Ultraportable 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.