- The perfect headphone for working out without worrying about getting tangled in cords.- Easy to pair via Bluetooth and perfect for use with your New iPhone 7 and most Bluetooth enabled smart devices with up to 4.5 hours of play/Talk time per charge.- Compact Sport friendly design for those on the move as the short, tangle resistant connector also allows you to easily take the ear buds out and rest them on your shoulders while not in use.- Soft rubber ear hooks keep the headset firmly in place during sports and activities plus it comes with three sizes of silicone tips for a perfect, comfortable fit.