It is equipped with IWP (Insta Wake N’ Pair) Technology that powers on the earbuds and puts them into connection mode as soon as one opens the lid of the carry case, Talk time/music time 5 Hours per bud, Charging Time : 1.5 Hours, Standby Time : 70 Hours. Inline Remote:Yes TWS Airdopes 441 offers true wireless experience with latest Bluetooth v5.0 It is IPX7 rated for resistance against water and sweat to provide a carefree listening experience It possesses 6mm Drivers for enthralling audio bliss with immersive sound The TWS earbuds offer stereo calling feature for clear and crisp communication You can access the instant voice assistant via just a single touch with the help of its advanced capacitive touch controls.all day as the Airdopes 441 provide upto 5 hours of sound per charge and an additional 25H of playback bliss with the carry cum charge case.