The time required for the Xiaomi Buds 4 charging compartment to be full is about 1 hour. Because the official data is that the charging bin capacity is 470mAh, support fast charging, the fastest can be charged in 15 minutes to about 50%, so the full time is about 1 hour.
Xiaomi Buds 4 supports wireless charging and is equipped with a 10 milliwatt sensor, which can recognize and automatically charge the charging compartment on the device that supports Qi wireless charging, which can be more convenient. At the same time, Buds 4 is also equipped with a 22mm large moving ring, which supports ANC's active noise reduction, providing users with a clearer and cleaner sound.