This one is Small But Mighty,small speaker packs a far more powerful punch than its small size would suggest. Adopts a 5W full-range speaker and a hidden passive radiator on the bottom to deliver surprisingly rich audio and clear sound.Support wireless stereo pairing to get two pocket Bluetooth speaker playing together to produce stunning surround sound. This mini Bluetooth speaker will blow you away with its sound, not its size. Let’s get the pocket party high!