High-speed Bluetooth 5.0 connection: Wireless Bluetooth speakers provide stable transmission, 3D surround sound makes music more dynamic and provides a rich, crisp and shocking audio experience.Portable Power Cord: This portable speaker comes with a power cord. Can be carried anywhere, suitable for home, outdoor, barbecue, birthday partyLong Battery Life: Bluetooth has a large capacity battery, so a single charge can last a long time. He can be with you anytime, anywhere, day or night.Non-slip design and bass effect: This Bluetooth base is made of non-slip ABS plastic, and the midnight black design is beautiful and durable. Powerful bass and zero distortion at the highest volumes deliver a listening experience perfect without compromising sound quality.portable bluetooth speakerSpeaker size: 20 * 10 * 10 cm (7.8 x 3.9 x 3.9 inch)