Open stick design for optimal comfort while wearing 17 distinct ANC filters and ambient noise are used in True Adaptive Noise Canceling. JBL Signature Sound-powered high-fidelity 12mm neodymium dynamic drivers Personi-Fi 2.0 Immersive JBL Spatial Sound allows you to customize your sound experience from any source or device. ANC can be used for up to 40 hours of listening time (up to 8 hours in the earbuds and an additional 32 hours in the case) or for up to 30 hours (up to 6 hours in the earbuds and an additional 24 hours in the case). With dual beamforming microphones on each earbud, Qi-compatible wireless charging allows for six microphones for quiet conversations. IPX2 in the charging case and IP54 sweatproof and waterproof earbuds Multi-point connection with Bluetooth 5.3 LE audio compatibility