1 x Bluetooth Headphone 1 x 3.5mm Cable 1 x English Manual 1 x Storage Bag 1 x Charging Cable Custom Active Noise Canceling by Yourself Adopt the active noise canceling technology, and you can select strong noise reduction ( 4 mic, -25dB ) or weak noise reduction ( 2 mic, 18dB ) according to your needs. Support TF Card Play Even without mobile phone, you can also listen to music at any time. Step Counting Function, Born for Sports You can check the synchronize update data which show your walks, calorie consumption and so on via the App. Latest Face Recognition Technology to Control Pause / Play