by Anker Space A40 Adaptive Active Noise Cancelling Earbuds Reduce Noise by Up to 98%, Ultra Long 50H Playtime, 10H Single Playtime, Hi-Res Sound, Comfortable Fit, Wireless Charge

Reduce Noise By Up to 98%: Space A40 features an upgraded noise cancelling system to block out a wider range of distracting noises. So wherever you go, you'll always have the space you need to focus.
Automatically Tailored Noise Cancelling: Space A40 detects external noises and automatically selects a suitable level of noise cancelling for your surroundings. Enjoy your personal space whether you're indoors, outdoors, commuting, or on a flight. 50 Hours of
Personal Space: That's enough playtime to enjoy up to 1, 000 songs or 25 movies. The earbuds have a 10-hour single charge playtime, and fast charging gives you 4 hours of listening from a quick 10-minute charge.
Highly Detailed Sound: Thanks to pioneering double-layer diaphragm drivers, Space A40 noise cancelling earbuds produce sound with strong bass, clear mids, and bright treble. You can also listen using LDAC mode for Hi-Res Audio Wireless sound. Comfortable, No Matter How Long You Listen: Space A40 noise cancelling wireless earbuds are smaller than all other ANC earbuds, are as light as a sheet of paper, and have an ergonomic shape so they fit comfortably in your ears, with strong bass, clear mids, and bright treble