Huawei FreeBuds 5i Wireless Earphone, TWS Bluetooth Earbuds, Water Resistance, Comfort Wear, 28-Hour Battery Life, Hi-Res Sound, and Multi-Mode Noise Cancellation: White High-Resolution Audio With a wider frequency response, full-link high-resolution sound for HD audio sources, and multiple EQs to match a variety of styles, the Huawei FreeBuds 5i is Hi-Res Audio Wireless certified and offers a customized listening experience. Hi-Re's high-resolution audio