What's In The Box: Sony WH-CH720N Wireless Noise Cancelling Headphone, Black Connection Cable USB Cable 3 Year Accidental Repair Plan Extended Warranty under $250 --- Enjoy All-Day Comfort Without the Noise. With noise-canceling technology, a lightweight design and a long-lasting battery life you can enjoy your music for longer and without background interruptions. Sony’s lightest Wireless Noise-canceling headband ever. Take noise canceling to the next level with Sony’s Integrated Processor V1, so you can fully immerse yourself in the music. Super comfortable and lightweight design. Adjustable Ambient Sound mode and Adaptive Sound control features tailors sound to suit the environment around you. Up to 35-hour battery life with quick charging (3 min charge for up to 1 hour of playback). High sound quality and well-balanced sound tuning. Crystal clear hands-free calling and voice assistant with Precise Voice Pickup technology. Multipoint connection allows you to quickly switch between two devices at once. Boost the quality of compressed music files and enjoy streaming music with high quality sound through DSEE™.