Redmi Buds 4

Specification:

Bluetooth Version:
Bluetooth 5.2

Material:
ABS

Noise Sensitivity:
98dB

Impedance:
32Ω

Noise Reduction:
35dB

Voice Control Support:
Yes

Water/Dust Resistance:
IP54

Battery:
620mAh (case)
40mAh (earbuds)

Charging: 
up to 2 hours

Operating Time:
Up to 6hrs earphones (ANC off)
Up to 30hrs total life with case (ANC off)

Control button:
Touch Control

Special Features:
Up to 35dB Hybrid Active Noise Cancellation
Dual-mic Noise Reduction for clear calls
Dual Transparency Modes - able to be alert with surroundings 

Earbuds Weight:
4.5g

Total Weight:
49g