Listen to sensational and immersive sound scapes and the revolutionary musical upscaling of DSEE Extreme technology on the intuitive and aesthetically pleasing Sony LinkBuds S Earbuds WFLS900NW. The 5mm driver and accompanying Integrated Processor V1 works together to produce an impactful bass, crystal clear vocals, detailed mid-range sound alongside noise and distortion reduction to present amazing audio in a very small package. Maintaining high standards in music quality is the real time DSEE Extreme upscaler; Edge-AI (Artificial Intelligence) recognizes instruments, music genres and musical elements and found in compressed digital files and enhanced them to restore lost high range sound. The Precise Voice Pickup Technology utilises the Sony Linkbuds S's microphones around each earbud and advanced audio signal processing to isolate your voice within loud and noisy environments to deliver a fantastic phone call experience. Also, have the feeling of being at an exhilarating concert or a mind-blowing event with in 360 Reality Audio. Be able to listen on the go to your favourite tracks with a 6-hour charge time from your Sony LinkBuds S Earbuds and an additional 14 hours from the case. The IPX4 water resistance rating lets you experience life without splashes and sweat impacting you listening to your beloved Sony earbuds.