TRULY wireless Sport headphones for total freedom of movement, packed full of technology that makes music sound clear and powerfulEarbuds are sweat and weather resistant (with an Ipx4 rating) and come with 3 different pairs of Stay hear and Sport tips (in sizes S/M/L) that provide a comfortable and secure fitUp to 5 hours of play time with each charge and an additional 10 hours with the included charging case and also features a charging time of 2 hoursTrack lost earbuds with the Bose connect App's "find My buds" featureFirmware 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. Connectivity Technology: Wireless BluetoothSoundSport Free headphones have an integrated dual microphone array located on the right earbud to allow you to use them during calls when connected to a smartphone that supports Bluetooth. Call audio will only be heard in the right earbud.
