Hi-Res Audio Wireless Supported - Incredible sound: A feast for your ears - Redmi Buds 4 Pro Wireless Earbuds is certified by Hi-Res Audio Wireless and supports LDAC audio codec at transmission speeds of up to 990kbps, as well as audio resolutions of 96kHz/24bit and above. Hi-Fi Sound Quality, Dual Dynamic Drivers - Create your own personal sound system: Redmi Buds 4 Pro Wireless Earbuds features an all-new dual dynamic driver system, which consists of a 10mm aluminium alloy diaphragm and a 6mm titanium diaphragm for treble frequencies. Together, the two drivers combine to deliver crystal-clear treble and rich bass in a wide range of genres. Immersive Sound - for a live immersive experience: Redmi Buds 4 Pro Wireless Earbuds features an all-new immersive sound system, which uses a Xiaomi proprietary HRTF sound algorithm to simulate real-life sound and a deliver a truly immersive experience when watching video, compatible with various audio source and playback devices.* Cutting-e