- Brand: Xiaomi - Model: Redmi Buds 4 Pro - Features: Noise cancellation, ambient sound mode (Hear-through), app support, LDAC support - Usage period: About 1 month - Usage frequency: About twice a week I haven't used them much and have been storing them. Therefore, they are relatively clean. Although it's originally an inexpensive model, it supports LDAC codec, which allows for Hi-Res audio playback. 《Shipping》 I will ship within 24 hours in principle. I plan to use Yu-Yu Mercari delivery. 《Notes》 This is a used item stored by a private individual. Please refrain from purchasing if you are looking for a perfect item. Please purchase only if you understand. #WirelessEarphones #BluetoothEarphones #NoiseCanceling #Xiaomi #Earphones