8 hours of music at 60% volume Call duration: 6.5 hours at 60% volume About 48 hours is the earbud standby time (connected). Input for charging earbuds: 5V⌓ 50mA Input for case charging: 5V⌓ 1A Type-C charging input port Approximately 2.5 cycles About 1.5 hours are needed to charge the earbuds. Approximate case charging time: 1.5 hours IPX4 water resistance Composition: ABS+PC Weight of earbuds: 4g 35g is the net weight.