Pump up the party with Ultimate Ears Boom, the world’s most sociable speaker. The impressive 360-degree design, available in a host of bedazzling hues, can pair up to 8 Bluetooth devices at once and boasts a 15-hour rechargeable battery. You can even take phone calls on it too. The convenient D-ring makes it totally transportable and it’s also water and stain resistant. Party where you dare.