Steren AUD-7550BL is a pair of Bluetooth earphones that offer a convenient and immersive audio experience. With their wireless design, you can enjoy your music, podcasts, or audiobooks without the hassle of tangled cords. The earphones feature a built-in microphone, so you can take calls and communicate with others hands-free. They also have a long-lasting battery that provides up to 3 hours of playtime on a single charge. The earphones come with a charging case that provides an additional 3 charges, giving you a total of 12 hours of playtime.