Designed with latest Bluetooth 5.3 - Enjoy flawless, uninterrupted and smooth delivery of music.Great mic performance - A built-in mic on each earbud and our Environmental Noise Cancellation tech ensure smooth delivery of your voice via voice callsWell-balanced sound profile - with a bit of extra thump in the bass range that doesn't overwhelm instruments and lead vocals. IPX7 Waterproof - Already passed the IP67 waterproof testingGood touch controls - Tap twice on the left bud to skip to the Pauses or Plays ; Hold down either bud for two seconds to skip to the next track or Previous track; Single tap raises or lowers the volume.3 EQ sound built-in - Signature, the default EQ, delivers well-balanced sound, while Bass mode enhances bass-heavy music, and Podcast makes voices stand out clearly, quickly press the either earbud 3 times to switch to a different modeSatisfactory noise isolation performance - performance can help cut down ambient chatter around you.All-Day Wear - Get an incredibly comfortable fit thanks to ergonomic design and multiple sizes of eartips.