Headset Bluetooth Headphones Noise Cancellation Plug-in Stereo Wireless Headset Features: Intelligent noise-cancelling wireless Bluetooth headset. Headband Bluetooth headset with new generation of 40MM speaker unit, surround sound audio, resolution, volume, stereo sound, the real sound, you can listen to the sound in the game to identify the direction. The headset can be folded, easy to store, does not take up space, adjustabl-e ear cup height, you can adjust their own comfortable wearing angle. voice call noise reduction. Ear cups with skin-friendly, ergonomic, ear cups with comfortable Protein leather, comfortable foam, leather high sponge comfortable and breathable, long wearing ear does not hurt. Thickened and widened synthetic leather, uniform , comfortable to the head, lightweight , refuse to oppression. Intelligent buttons, multi-functional buttons easy to use, insert cards, call answering, call rejection, hang up, hands- calling. 9D stereo sound, support Bluetooth, plug-in card, audio cable playback. Intelligent pairing, the first connection to Bluetooth, can be automatically paired, Lightweight, significantly reduce the sense of pressure, comfortable to wear. Product Description: Product name: Headset noise-canceling Bluetooth headphones Talking time: 8 hours Charging time:.5 hours Battery capacity: 300 mAh range: 10 meters / 32.8 feet 10 meters Bluetooth protocol: 5.3 Sound channel: stereo Frequency response range: 20-20K (Hz) Horn diameter: 40 (Φmm) Impedance: 32 Sensitivity: 98 Size: 19x18.5cm/7.08*7.48in Weight: 280g/0.61lbs Included： 1x Headphone 1x Data Cable