Outdoor Bluetooth Headphones Wireless Supra-Aural Earmuff Headset Stereo Headset Features: Active noise cancelling wireless headphones: ANC technology cancels outer noise, allowing you to enjoy your audio on the subway-, bus, plane,and other noisy situations Adjustable- & comfortable: ear pads are made of super soft protein; and an adjustable- headband suits all shapes and sizes 10 Hour Playtime: Over the ear headphones stream music for up to 8-10 hours per charge; connect the included audio cable for stable,wired audio playback 2 Large-Aperture Drivers: A duplet of 40 mm drivers allows the over the ear headphones to stream high resolution audio with a deep,powerful bass Built-in mic & Airplane adapter: transmits your voice clearly, providing enhanced call quality even in environments; comes with an Airplane adapter to easily connect in the cabin; These headphones come with a carrying case Product Description: Specifications: Bluetooth chip and Bluetooth version: 5.0 Bluetooth protocol: A2DP AVRCP HFP HSP Battery: 300mAh Impedance: 16 Transmission distance: barrier 30-50m Frequency: 2.4GHZ Speaker unit:40mm NdFeB composite film Songs time: about 8-10 hours Standby time: about 200 hours Output Power：40mW Frequency Response:20Hz-20KHz Function: Play/pause/switch- music Adjust volume, Switch- Chinese and English voice Report the call number Answer/hang up/reject/redial calls Operation voice prompt Show electric quantity for iOS system Package Includes: 1 xBluetooth earphone 1x USB cable 1x AUX cable 1x Manual Active noise cancelling wireless headphones: ANC technology cancels outer noise, allowing you to enjoy your audio on the subway-, bus, plane,and other noisy situations Adjustable- & comfortable: ear pads are made of super soft protein; and an adjustable- headband suits all shapes and sizes 10 Hour Playtime: Over the ear headphones stream music for up to 8-10 hours per charge; connect the included audio cable for stable,wired audio playback 2 Large-Aperture Drivers: A duplet of 40 mm drivers allows the over the ear headphones to stream high resolution audio with a deep,powerful bass Built-in mic & Airplane adapter: transmits your voice clearly, providing enhanced call quality even in environments; comes with an Airplane adapter to easily connect in the cabin; These headphones come with a carrying case