Mi Redmi Buds 5 Specifications

Full Charge : The earbuds and charging case together take about 2 hours to fully charge.
It is IPX4 rated for resistance against water and sweat to provide a carefree listening experience.
Fast Charging : A 5-minute charge can provide up to 2 hours of music playback, and a 10-minute charge can give you up to 4 hours. 
Charging Indicator : There isn't a specific indicator to show the charging status of the earbuds themselves, but the charging case's indicator light will turn green when fully charged.
The Redmi Buds 5 comes with Hybrid Active Noise Cancellation which means experience undisturbed audio with up to 46dB noise cancellation that blocks out 99.5% of background noise.