Small, lightweight design with an ergonomic shape ensure a comfortable listening experience Truly wireless Bluetooth 5.2 connectivity pairs with compatible devices within a wireless range of 10m Double-layer diaphragm drivers and LDAC mode provide rich bass, vibrant mids, and clear treble Tailored noise cancelling technology detects environmental noises and automatically selects the right level of noise cancelling, up to 98% Six built-in microphones ensure your phone calls are crisp and clear Rechargeable batteries provide up to 10 hours of listening time from the earbuds, and additional 40 hours from the charging case, and boast a fast-charging feature for four hours of playtime from a 10-minute charge