Weighing just 4.8 g, these in-ear headphones offer ultimate comfort with an innovative air cushion for a secure fit—no matter what you're doing. Being water-resistant, neither sweat nor rain will hold you back. The sound quality impresses with detailed highs, rich bass, and powerful mids. They are High-Resolution Audio certified, featuring DSEE Extreme for upscaling all songs, and you can customize the sound to your preferences using the EQ in the Sony app. Ultimately, the LinkBuds Fit provide an immersive music experience—just the boost of energy you need for your workout or commute. Premium noise cancelling allows you to block out the world around you and focus entirely on the music. As Sony's first headphones with Auto-NC Optimiser, the LinkBuds Fit even detect changes in ambient noise to maximize the effect. Alternatively, you can stay connected to your surroundings with the automatic Ambient Sound mode—ideal for jogging or cycling. Enjoy up to 21 hours of uninterrupted playback (5.5 hours via the headphones + 15.5 hours via the case) and the quick charge feature. Choose from four colors, along with five additional colored protective cases (sold separately) to establish your unique look. With multipoint connection, you can connect two Bluetooth devices simultaneously and switch seamlessly between them. Additionally, there are several user-friendly control options through tapping, voice commands, and the app on your smartphone. The LinkBuds Fit feature an eco-friendly design, with headphones and case made from recycled plastic and 100% plastic-free packaging.