Practical functions: The wireless earbuds come with a charging case that supports answering phone calls, playing music, locating the earbuds, switching languages, and adjusting EQ modes, among other convenient controls. Surroundings awareness: The openear design with ear hooks lets you stay aware of your surroundings while running, driving, or hiking, so you can keep safe and aware without removing the earphones. Clear calls: ENC noise cancellation technology enhances voice pickup and reduces background noise, helping you make and hear calls more clearly in noisy environments. Battery life: A builtin capacity battery provides up to 5 hours of singleplay time, with a total of up to 24 hours of use when paired with the charging case. Use scenarios: While running or cycling: enjoy music and take calls without blocking out ambient sounds, keeping you aware of traffic and teammates. During daily commuting or driving: clear conversations with minimal disruptive noise, even on noisy routes. At the gym or on hikes: longlasting playback and quick ondevice controls to adjust volume or switch tracks without reaching for your phone.