This small speaker packs a far more powerful punch than its small size would suggest. Adopts a 3W full-range speaker and a hidden passive radiator on the bottom to deliver surprisingly rich audio and clear sound. This mini Bluetooth speaker will blow you away with its sound, not its size. Also, shockproof anti-falling is a good choice for kids listening.Play the portable speakers up to 100 unobstructed feet away from your device. Advanced antenna design with Bluetooth 5.0 provides greater wireless range and faster Bluetooth connection.