Bose in-ear noise-cancelling wireless Bluetooth earphones with accessories - large, medium, and small spare ear pieces (small and medium are opened out of the plastic), and carrying case. Charging cord not included in this listing. Breakthrough technology lets you control your own level of noise cancellation throughout your day Lightweight neckband design conforms to your body for all-day comfort and wear ability Bluetooth and NFC pairing so you can connect to your devices wirelessly Calls come in clearer, even in windy or noisy environments, with noise-rejecting dual-microphone system