Advanced Active Noise Cancelling Technology: TaoTronics Bluetooth headphones come with professional active noise cancelling function let you immerse yourself in music world without noise,no matter you are in a noisy street, busy subway or bus, flight cabin with roaring engine. Hi-Fi Audio Sound & Deep Bass: TaoTronics wireless headphones equid with 40mm drivers , which delivers powerful sound and rich music with lesser audio delay. Upgrade Bluetooth 5.0 technology provide an ultra-fast and virtually unbreakable connection. 40H Playtime & Incredible Fast Charging: Plug in for only 5 minutes with a USB-C connector and get 2 hours playback; only 45 minutes charging time for an ultra-long playtime up to 40 hours. Note: Turn off ANC to avoid power consumption if headphones are not in use. Customizable Comfort & Ultra-Lightweight: Adjustable headband and 90? rotatable ear cups , soft protein memory foam ear pads with over ear cups to completely cover your ears and reduce pressure on your ears, while the headphones itself only weights 7. 8oz(220g) for long-time wear. Hassle-Free Clear Calls: cVc 8. 0 noise cancelling microphone for hands-free calls means you can be heard clearly on the phone, which let you enjoy wireless or wired mode no matter the level of background noise depend on your need. Included Components: 1 X Taotronics Wireless Headphone (Model: Tt-Bh085) 1 X Usb-C Charging Cable 1 X 3. 5Mm Aux Cable 1 X User Guide 1 X Travel Pouch