Sennheiser Headphones Play for 57 Hours, Battery You Can Replace

Sennheiser's $399.99 Momentum 5 headphones play up to 57 hours with noise blocking turned on. Ten minutes charging adds up to seven hours, and a full charge takes about two hours. Owners can swap the battery themselves. TechCrunch's September 27, 2026 review tested battery life, sound, noise blocking and comfort.