GENUINE Sony WF-SP700N Truly Wireless Noise-Cancelling Sports Headphones with EXTRA BASSn--Truly wireless style for workouts anytime anywheren--Ambient sound mode to stay aware of surroundingn--IPX4 splash proofn--3 hours use per charge 2 more charges offered by carrying casen--Extra BASS sound to keep up with the workout pacen--nn--Get the most out of every Workout with the truly wireless WF-SP700N headphones, which come in 4 fresh shades of colour. Ambient sound mode lets you enjoy your music and still hear your surroundings. With an IPX4 rating thanks to the protection Material, splashes and sweat wonu2019t stop these headphones u2013 or your workout. Stable arch support earbuds come in four sizes for a secure fit that adjust to your ears. Plus, the silicon support fitting makes sure they stay comfortably in place. Choose your favourite sound settings with quick sound settings in the Sony | Headphones Connect app.