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. 111g in weight, 50 x 51 mm in size. This travel wireless speaker is perfect for handbag/backpack and pocket. Also, shockproof anti-falling is a good choice for kids listening.