BRAND NEW, never worn, box was opened Bose sport sunglasses — Bose Frames Tempo are high-performance sport sunglasses, delivering revolutionary Bose Open Ear Audio (nothing in or on your ears) with a comfortable, sweat- and weather-resistant design. Sport Bluetooth sunglasses with long battery life — Pair to your device for high-quality sound and crystal-clear calls. Reliable Bluetooth range up to 30 ft. with play time up to 8 hours per charge. Fully recharge in 1 hour via USB-C.