The carry case of the ergonomically designed Airdopes 131 has Type-C charging port as well for smooth charging, Charging Time: 2 Hours Airdopes 131 is equipped with our IWP Technology so that whenever the earbuds are inside the case and you open the lid, the earbuds power on automatically Airdopes 131 offers a nonstop playback of up to 3H with each charge and an additional 12H playtime with the included charging case The TWS earbuds offer easy access multifunction button controls with stereo calling feature for an overall seamless user experience The carry case of the ergonomically designed Airdopes 131 has Type-C charging port as well for smooth charging, Charging Time: 2 Hours Airdopes 131 is equipped with our IWP Technology so that whenever the earbuds are inside the case and you open the lid, the earbuds power on automatically Airdopes 131 offers a nonstop playback of up to 3H with each charge and an additional 12H playtime with the included charging case