Sweat Resistant, The IPX-4 water-resistant rating means your earbuds can stand up to a serious workout, even in the rain. Secure, Comfortable Fit, Around-the-ear sport wings keep your earbuds in place during an intense workout. AIRTIME SPORT earbuds come with three different sizes of ear tips 'including a secure-fit memory foam tip ‚Also you get the perfect fit. Auto Pairing, pairing your earbuds with your device has never been easier. Earbuds automatically enter pairing mode once they're removed from the charging case.