Certified Hi-Res Audio with coaxial dual drivers, LDAC Built-in immersive sound with two new modes for true-to-life audio Up to 52dB active noise cancellation with three transparency modes Up to 4kHz ultra-wide frequency noise cancellation Up to 38 hours long battery life with charging case Nothing but your beatHi-Res Audio WirelessSupports advanced LDAC audio codecRedmi Buds 5 Pro is certified by Hi-Res Audio Wireless and supports LDAC audio codec with a sampling rate of up to 24bit/96kHz*, enabling Ultra HD audio with minimal distortion.Custom coaxial dual driver designHigh-resolution, Hi-Fi sound qualityRedmi Buds 5 Pro features a coaxial dual driver design, which consists of an 11mm bass driver with titanium diaphram and a 10mm piezoelectric ceramic tweeter. This design delivers precise sound reproduction across all frequencies, ensuring a balanced performance with smooth highs, rich mids, and solid lows, allowing you to experience high-quality Hi-Fi sound at any time.- 10mm Piezoe