Hi-Res Audio Wireless with JBL signature sound using 10 mm dynamic drivers for deep bass, balanced mid-range, and refined highs. Convenient Smart Charging Case featuring a 1.45-inch touchscreen display for complete earbud control without using the appadjust volume/EQ, manage music and calls, view notifications and customize screensavers. True Adaptive Noise Cancelling with custom control lets users tune out the outside world or control how much ambient sound comes in via four noise-sensing microphones that adapt automatically. JBL Spatial Sound technology for immersive music and movie listening experiences. 40 hours of total playback (10 hours per charge with ANC off, 30 hours from the charging case), with wireless charging support. Six microphones for crystal-clear calls; calls and mic settings can be customized for wind and noise reduction. Multi-point connection for quickly switching between devices like phones and laptops. Google Finder and Audio Switch support for tracking earbuds and automatically switching audio between Android devices. IP55-rated waterproof and dustproof protection. Personi-Fi 3.0 technology for personalized audio experience.