earbuds Sennheiser's new sports headphones track your heart rate and body temperature while you run to the beat The Sennheiser Momentum Sport earbuds also offer adaptive active noise cancellation for noisy gyms Beats Fit Pro wireless in-ear headphones review: letting in more ambient sound than you’d expect from earbuds Beats Fit Pro are the most secure and lightest in-ear headphones we’ve tested yet, and still provide great sound quality Sennheiser and Polar join forces for new fitness tracking earbuds Sennheiser’s new Momentum Sport earbuds can track body temperature and heart rate through your ears Advnture NewsletterAll the latest inspiration, tips and guides to help you plan your next Advnture!Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors MOST READ1Runner literally has a hair-raising experience at Toronto Marathon2Utah hiker finds the absolute worst place to injure an ankle – on top of a rock spire3"Make responsible decisions" – hikers warned as rockfall claims third life in one week on Mt Whitney4The North Face Windstream Shell Jacket review: lightweight, compact, breathable protection from the wind5Fires, floods and lightning strikes: 5 summer weather hazards hikers need to know about