HD Stereo Sound, Immersive Detailed Sound. In-built 10mm wool fiber composite membrane dynamic driver is adept at dealing with human voices to enrich the details in the music. Emphasize rich mid-range sound and deep bass to restore the live music to immerse you. Support both single and dual ear modes. One-step pairing wastes less time on waiting.Sensitive Touch Control, LCD Power Display. Slightly tap on the touch area of the Bluetooth headphones to make calls, play music, or activate the voice assistant. Check the battery level directly and charge in time with an LCD screen on the charging case, which displays the current battery level of both the Bluetooth earbuds and wireless charging case.Bluetooth 5.2 Version, Noise Reduction for Calls. Upgraded Bluetooth 5.2 technology achieves a more stable and faster signal transmission without signal loss or music dropout within the range of 49ft/15m. Compatible with Android and Apple devices. Make crystal clear calls with noise reduction techniques for smooth communication. Ergonomic Half-in-Ear Design, Comfortable Fit. The true wireless earbuds are ergonomically designed with a semi-in-ear structure, maximizing the wearing comfort while securing them onto your ears for workouts. Leave no burden to your ears with a weight of 3.5g per earbud. Note: Suggest resting your ears after several hours for hearing protection. 30-Hour Playtime, Fast Charging Technology. Charge the ear phones for android with less time needed to shorten the time wasted on waiting before an outing. It takes only an hour to get the wireless earbuds with charging case charged. A single charge keeps the earbuds playing music for up to 6 hours, while the charging case provides extra 24 hours.