Anker Soundcore Q20i Wireless Headphones offer a 10m Bluetooth range, over-ear design, single microphone, and a frequency response of 20Hz - 20kHz. They boast active noise cancellation (ANC), up to 40 hours of playtime with ANC on (60 hours with ANC off), Hi-Res Audio, and enhanced bass. The headphones weigh 245g and have an 800mAh battery.