In fact, it provides professionally tuned audio that pumps out extra volume so you could enjoy the listening experience. Moreover, it also functions as a Bluetooth speaker; connect any music from your phone easily with this device while rocking out to its retro and sleek design! If you’re not in the mood for it, you can easily switch to FM radio, so you could listen to your favorite channels. Even with all these functions, this wireless retro speaker can also sustain an 8-hour playtime so you get to maximize its features even without frequent charging.