Features & details Bluetooth 5.2: Equipped with the latest Bluetooth technology for a stable and faster connection to all your devices Enhanced Bass: Enjoy accurate sound and t bass with 10mm oversized drivers as well as BassUp technology. Isolate Outside Noise: Reduce unwanted noise with hybrid active noise cancelling and immerse yourself in pure music AI-Powered Calls: Life Dot 3i noise cancelling earbuds are equipped with 4 microphones and a custom AI algorithm to effectively pick up voice, making every word in the call clear. 36-Hour Playtime: Life Dot 3i noise cancelling earbuds delivers 36 hours of total playtime with the charging case and 9 hours of use on a single charge. Soundcore App: Personalize your music experience to suit your taste and your surroundings, with 22 EQ presets or switch to your own custom profile— all in one place. Transparency Mode: Hear your surroundings while still listening to music when you're out and about without taking off your earbuds. Fast Charging: Get up to two hours of battery life in just 10 minutes of charging via USB-C charging. Tiny and Light: Designed for extended wear, Life Dot 3i noise cancelling earbuds are light on weight and fit perfectly in your ears. Seamless Pairing: After pairing the earbuds with your devices once, they will be connected and ready to play the next time you remove them from the charging case