Introducing the Wireless Bluetooth Speaker Square U Disk Portable Bluetooth Small Speaker, the perfect combination of style and functionality. This unique speaker boasts a compact and sleek square design, making it easy to carry and perfect for on-the-go use. With a Bluetooth connection, you can easily connect your devices and enjoy high-quality sound. The USB interface allows for convenient charging, while the built-in lithium battery provides a long playing time of up to 10 meters. With a frequency response range of 100HZ-20KHZ and an output power of 3W, this speaker delivers clear and powerful sound. Plus, with an expansion storage of up to 32GB, you can store all your favorite music and take it with you wherever you go. Don't miss out on this must-have portable speaker. Order yours today!