Adaptive Noise Cancelling Adaptive noise cancelling identifies noise levels around you and adjusts based on your surroundings. 98% Noise Reduction 2x stronger noise cancellation with noise-detecting microphones and a fit designed to block noise. 50-Hour Playtime Listen on your commute and at work-then repeat every day for a couple of weeks before recharging. Fast Charging Get power in a flash and cover your daily commute with 4 hours of listening from an ultra-short 10- minute charge. Pioneering Drivers Pioneering double-layer diaphragm drivers for sound with strong bass, clear mids, and bright treble. Hi-Res Sound LDAC transfers 3x more detail than standard Bluetooth codecs for a detail- rich listening experience. Customized Listening The soundcore app lets you choose from up to 22 different EQ settings for customized sound. AI-Enhanced Calls 6 mics and an Al algorithm identify voices and block out other noises for ultra-clear calls. Dual Connection Stay connected to two devices with Bluetooth 5.2 and multipoint connection. Instantly switch between music, calls, videos, and more on different devices hassle-free to save you time and effort. Enhanced Awareness Switch to Transparency Mode so that you can still hear the outside world while wearing Space A40. Easily switch between Transparency Mode and Noise Cancelling Mode so you can stay in tune with what's going on around you. Wireless Charging Space A40 noise cancelling wireless earbuds' charging case supports wireless charging or charging via a USB-C cable for extra convenience. Refreshing Wearing Experience Choose from 4 different ear tip sizes and find the perfect size for your ears. Wear the earbuds in the correct position for superior comfort and optimal ANC performance.