Bluetooth 5.0 Headphones Wireless HiFi Stereo Supra-Aural Earmuff Headset Stereo Headset 3.5mm Interface Features: Active noise cancelling wireless headphones: ANC technology cancels outer noise, allowing you to enjoy your audio on the , bus, plane,and other noisy situations & comfortable: ear pads are made of super soft protein; and an headband suits all head 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; Product Description: Specifications: Color: Black,Red,White Bluetooth chip and Bluetooth version: 5.0 Bluetooth protocol: A2DP AVRCP HFP HSP Battery: 400mAh Bluetooth name:T7 Impedance: 30 Transmission distance: barrier 15m Frequency: 2.4GHZ Speaker unit:40mm NdFeB composite film Songs time: about 8-10 hours Standby time: about 300 hours Output Power40mW Frequency Response:20Hz-20KHz Function: Play/pause/switch music Answer/hang up/reject/redial calls voice prompt Show electric quantity for iOS system Product size18x19x7.5cm Package Includes: 1 xBluetooth headphone 1x USB cable 1x AUX cable 1x Manual