BSK-40 is a 40W guitar amp with singing & live-streaming functions. It delivers dynamic and detailed sound, with high resolution, you'll definitely be amazed. You'll get lossless sound via your smartphone from BSK-40 and be immersed in your performance in noisy environments. Ideal for home live streaming, family gathering, team building, picnic and camping, convenient and portable. Thanks to its amazing tone and functions, BSK-40 boasts the experience of live performance vividly.