This speaker has is a powerful subwoofer that able to connect to smartphones, tablets, and computers via Bluetooth 5.0. It is able to operate up to 7 hours after being fully charged and can be played up to 33 feet away from the mobile device or computer. The Kove Commuter 2 speaker is able to create a 360° surrounding sound effect, but when separated they create an optimal left and right stereo sound. This speaker includes a Commuter 2 Portable Bluetooth. This speaker has never been used or opened!