- This speaker is only 2” tall, so it super-portable, but it can crank out your favourite tunes - You can connect 2 Bitty Boomers together for wireless stereo sound - It uses Bluetooth 5.0 for a reliable connection and range up to 10 m - It might be small, but the built in battery gives you up to 4 hours of play time - You can use it as a remote trigger for your phones camera - perfect for group shots