Ausdom ANC7 Active Noise Cancelling Wireless Bluetooth Headphone - Best Bass & Quiet Comfort,Black ANC (ACTIVE NOISE CANCELLING) SYSTEM: Cancelling background noise effectively, and smartly designed headphones will enable you enjoy the pure quality of your favorite music.Suitable for use indoors and outdoors with ANC tech .Top-level CSR chip and High-end 40mm large-aperture drivers also give you a Unparalleled Sound Quality. SOFT TEXTURE & CARRYING CASE: Fit supra-aural soft earmuffs and the best synthetic leather earmuffs for long-wearing comfort,has curve ear lap, more fit to the human ear, make it more ergonomic.Designed to allow rotation and folding of ear cups for easy storage of the headphones.We also provide portable carrying case for travelling !! BUILT IN MICROPHONE: Wireless connection with built-in microphone and CVC6.0 technology supports on-board controlling of media and phone calls.Let this wireless headset free your hands.Note: The Microphone only works in the wireless mode. WILD RANGE OF APPLICATION: Equipped with Bluetooth V4.0 technology 33 feet transmission range easily connecting with your smart phone, tablet, or laptop computer. we provided you more than 18 hours time With a built-in 500 mAh battery.Wired (stereo audio only) and wireless dual mode for iPhone, Android, PC and TV Devices