Huawei FreeBuds 4i Key Features Active Noise Cancelling 10 Hours Continuous Playback 22 Hours Playback with Charging Case Intuitive Touch Controls Superlight Design Overview Live your day to your soundtrack with 10-hour long-lasting battery life on a full charge. The charging case bumps that up to 22 hours, so your day never gets interrupted by a lack of music. The sensors in the Huawei Freebuds 4i actively detect and reduce ambient noise, keeping you immersed in the music you love. When it comes to voice calls, a dual-mic system is used in combination with AI technology to effectively reduce any background noise and pick your voice up, even in a crowd. Practical, discrete, and chic, the Huawei FreeBuds 4i are ergonomically designed to reduce the pressure you feel, even after long hours of listening. Get the live performance feeling with crystal-clear sound quality. The Huawei Freebuds 4i bring you rich, clear vocals, punchy bass, and perfect harmonies with a 10mm dynamic coil driver and sensitive polymer composite diaphragm, so every song is a brilliant experience. Box Contents Earbuds Silicone Ear Tips (3 sizes) Charging Case USB-C Cable Quick Start & Safety Information Warranty Card