About this item 【HD Stereo Sound】 Conambo Bluetooth Headphones with dual 40mm drivers and Aptx HD technology to dramatically reduce audio latency and improve audio quality, giving you a high-fidelity stereo experience when you're immersed in calls and music. 【Noise Isolation】 The wireless headphones feature superior passive noise cancellation thanks to the enhanced memory foam padding and rotatable all-around coverage earcups that block out more than 40% of background noise. 【Lasting Comfort】 Ergonomically designed, ultra-soft 180° rotatable earmuff, 270° rotatable microphone and freely adjustable headband make this Bluetooth headset bring you incredible all-day comfort and make you almost forget its existence. 【Long Battery Life】The Bluetooth headset offers up to 25 hours of continuous talking and 120 hours standby time on a single charge, 10-minutes quick charging can offer 2 hours working time. The powerful battery life brings convenience to your life. 【Hand Free Talk】Smartphone compatibility for hands-free calls and use with your voice assistant to make a call, get information, listen to music and notifications, set reminders, and more. Freedom to pair with two Bluetooth devices simultaneously.