Meet Airwave Max 4, where comfort meets exceptional performance for the modern lifestyle. With its ergonomic design tailored for ultimate comfort, immerse yourself in a world of sound while staying completely at ease. Boasting an impressive 70 hours of playtime, you can enjoy uninterrupted music sessions or binge-watch your favourite series without worrying about recharging. Also, seamlessly switch between devices with dual device pairing, ensuring you never miss a beat amid a movie or a phone call. Dive into the depths of audio bliss with the powerful 40mm driver, delivering an immersive experience like never before. Experience tranquillity amidst the chaos with the advanced AI ENC, filtering out the noise around you. Stay in sync with ultra-low latency of up to 40ms, keeping you on track with every beat. With Instacharge technology, a mere 10-minute charge fuels an impressive 300 minutes of playtime, allowing you to keep the music going without interruption. Plus, with Bluetooth v5.4 and IPX5 water resistance, stay connected and worry-free no matter where life takes you.