Soundcore|Hear It. Feel It. A Brand Under Anker Innovations. Advanced Audio: The graphene-coated drivers eliminate distortion to produce sound with enhanced accuracy and outstanding clarity. Enjoy detailed highs, bright mids, and satisfyingly deep bass. Enhanced Voice Pick-Up: Two built-in microphones with uplink noise cancellation filter out external noise to boost clarity and quality. Your voice sounds ultra-clear even when you are walking down a crowded city street or on a packed train to work. Long Battery Life: Anker charging technology and a new-generation Bluetooth chipset ensures ultra-efficient battery usage. An industry-leading 5 hours of playtime is boosted to 20 hours via the included charging case. Touch Control: Discreet touchpads in Liberty Air earbuds allow you to use effortless touch commands to answer calls, as well as play, pause, and skip music. Bluetooth 5.0: The latest Bluetooth technology ensures an ultra-stable connection for skip-free music. Water-Resistant: Liberty Air earbuds are IPX5-rated for effective protection against liquids. Note: Suitable for use with iPhone and Android devices.