FreeBuds 5i is Hi-Res Audio Wireless certificated, featuring a wider frequency response, full-link high-resolution sound for HD audio sources, and multiple EQs to match with a wide range of different styles, for a tailor-made listening experience. The earbuds can deliver up to 28 hours of music playback when used with the charging case, and play 4 hours of audio on a mere 15-minute charge, serving as your anytime listening companion. The earbuds are shorter and 11% lighter than the previous version. With 3 sizes of soft skin-friendly silicone ear tips as well as the lightweight charging case, you can enjoy customized wearing comfort. HUAWEI FreeBuds 5i can simultaneously connect to two devices at once, The audio connection center in the AI Life app makes it easy to manage devices connected to the earbuds, and switch listening devices at a moment's notice. IP54 rating means that you can enjoy music with your HUAWEI FreeBuds 5i in daily life .