- Up to 35dB hybrid active noise cancellation
- 3 ANC level options and adaptive ANC mode
- Redmi Buds 4 ANC Earbuds – AI noise reduction
- Dual transparency mode
- 10mm dynamic driver, 0.006mm ultra-thin diaphragm
- Up to 30 hours extra-long battery life with case
- Professional tuning by Xiaomi Acoustic Lab
