Just like with our SoundLink Revolve and Revolve+ portable speakers, this 360-degree design avoids the positional sweet spots and frequency drop-offs of speakers that just aim ahead, but this time, with the extra power and more robust bass that arrives with a fresh shape and a 3rd passive radiator. https://www.bluetoothspeaker.top/bluetooth-speaker-multifunctional-support-tf-card-wireless-speakers/