Features: wireless charging, noise cancellation, bone conduction, power display, call function, NFC function, voice control, support music, multi-point connection Transmission range: 10 meters Sound channel: stereo Usage: earbud type Color: S03 Black Knight, S03 Pearl White, A99 Black Type: boxed
Battery: When the headset is fully charged, it can be used for 3-4 hours at a time, and the battery life can be up to 16 hours plus the charging cabin. The standby time can be up to 120 hours.