Bose SoundSport Free Wireless Sport Headphones, Black version. Model: 774373-0010.Features:- Truly wireless sport headphones for total freedom of movement, packed full of technology that makes music sound clear and powerful- Earbuds are sweat and weather resistant (with an IPX4 rating) and come with 3 different pairs of StayHear+ Sport tips (in sizes S/M/L) that provide a comfortable and secure fit- Up to 5 hours of play time with each charge and an additional 10 hours with the included charging case- Track lost earbuds with the Bose Connect App's “Find My Buds” feature- Firmware update to improve audio video synchronization for customers using iPhones, iPads and other Bluetooth devices that support AVDTP version 1.3 or later, available via Connect app or btu.bose.comModel Number: 774373-0010
