Enhance the everyday with the ATH-CKS30TW+The true wireless earbuds that stimulate the senses with chest-thumping bass and immersive active noise-cancellation.Coming in four unique colours to suit your personal style, these pocket-sized truly wireless headphones offer high resolution sound for realistic music and movies. For beats that make your whole body move, activate the ultra-low-frequency equalizer to enjoy the richest depths of your music.  Super Deep Bass with Noise-cancelling SmartsCombining super deep bass with noise-cancelling smarts, these in-ear headphones allow you to fully engage with your sound, wherever you are. Need to tune into your surroundings? You can safely let the outside in with hear-through and talk-through functions.   Up to 6.5 Hours of UseEnjoy up to 6.5 hours of use from each earbud when fully charged-even with noise-cancelling turned on-or 17.5 hours of use with both the headphones and charging case fully charged. Turn noise-cancelling off to get up to 7.5 hours of use from each earbud or 20 hours of use with the charging case.  Securely-fitting Waterproof EarbudsTaking you from morning workouts to evening relaxation, these securely-fitting waterproof earbuds feature a snug fit to keep the bass intact and feel comfortable all day - and should they ever be misplaced, our handy Out of Range Alert keeps you in the loop. Heavy Bass BeatsDive even deeper into music with the ultra-low-frequency equalizer, Bass Boost - Deep, for a bass response that must be heard to be believed. Or, customise your sound in the A-T Connect App with four additional equalizer presets that enhance everything from vocal clarity to dynamic gaming experiences.  Acoustic ducts and proprietary 9mm drivers control airflow to ensure a rich and detailed performance that brings the excitement of a live show to everyday life. Active Noise CancellationSit back and tune in: these active noise-cancelling earbuds let you fully engage with your favourite music or movies. Accessible with a single tap of the built-in touch sensors, you can also use the hear-through function to engage with your surroundings when listening to music on the go.  For when you need to hear travel announcements or have quick in-person conversations, the talk-though function lets you listen to those around you. For a limited time, we will include a mystery-free gift in consumer electronics worth £10 (in manufacturer RRP/SRP value) with this product, subject to availability and provided offer is at full retail price or no other offer involved. Please note this gift cannot be exchanged with any other product or refunded. Specifications TypeDynamic Frequency Response5 - 20,000Hz Sensitivity110 dB/mW Weight40g Charging TimeApprox. 3hrs Microphone TypeMEMS Bluetooth Ver.Bluetooth 5.1 Waterproof & DustproofIP55* (Headphones only) Box ContentsEarbuds, Charging Case, USB charging cable (30 cm (12"), USB Type-A / USB Type-C), Eartips (XS, S, M, L)