Concerning this item JBL Deep Bass Sound: These earbuds' 12mm drivers produce deep and powerful bass, enhancing your daily routine with an immersive listening experience. Listening all day: With up to 26 hours of playback time and an extra 20 hours when using the included charging case, you can listen to your favorite music and podcasts all day long. Comfortable fit: The open-ear design of these earbuds increases your awareness of your surroundings, and their ergonomic shape ensures a snug and comfortable fit. Access to Voice Assistants: With a single tap, control music and calls or activate your voice assistant; To conserve battery life, Dual Connect enables you to use each earbud separately. One pair of JBL Wave 300 TWS True Wireless In-Ear Earphones were delivered.