The portable bluetooth speaker by Edifier with 20 watt power, contains two internal full-range speakers for stereo sound. With a full charge, it offers up to 10 hours of continuous music playback. Additionally, it has the ability to charge via usb, so you can easily charge it with a powerbank. Inspired by vintage radios of the 1950s and 1960s, a perfect replica of piano keys is complemented by a legendary palette and boutique mesh. Bluetooth 5.0 offers faster transmission, lower battery consumption, more effective interference resistance, and simple connection.