By using deep neural networks to learn from a large number of samples, the headset effectively adapts to different call scenarios. It determines the user's voice and ambient noise during a call to filter out noise and retain the voice. The design is simple and elegant, featuring soft pressure-reducing leather, a lightweight stable headband, silent spindles, and infinitely variable sliders. The Dual Core drive features a dual chip system. Intelligent noise reduction offers 20 levels of ambient sound control. Advanced audio technology provides outstanding sound quality. Battery: 200 mAh Speaker: F40 Speaker Operation Mode: Four Buttons Connection Distance: 10-15m Use Time: 8-9 Hours Charging Time: 1 Hour Charging Interface: Type-C Origin: China Condition: New Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.