Bitty Box Barbie Bluetooth Speaker. Get ready to enjoy music anywhere with the Bitty Box, a portable and rugged little speaker ready for any adventure. Bitty Boxes are half the size of our Bitty Boomers at 1.3" tall, making them even easier to pack away or toss in your pocket. Keychain included. Connect to any Bluetooth enabled device. 4 hours + of music play on a single charge. Includes speaker, lanyard; charging cord, instruction manual. Keep them safe from the rain, they are not waterproof! Imported.