▶ Hybrid Active Noise Cancelling Technology: Built-in Feedforward+Feedback Mic effectively quells ambient noise by 96% while travelling on subway, airplane, bus or at a noisy office(up to 35dB); ANC On, World Off. ▶ Superior Music Performance: Cutting-edge 40mm Large-aperture drivers deliver a wide frequency range and punchy, captivating bass. aptX audio technology ensures you to immerse yourself in premium music oasis. ▶ Long Battery Life: A single charge for 3 hours gives you up to 35 hours of playtime(ANC OFF), 25 hours playtime (ANC ON). Supplied wired cable allows you listen at anytime. ▶ Clear Hassle-free Calling: Quick pairing to your devices and stable connection with Bluetooth 5.0 (33ft); Built-in cVc6.0 microphones delivers a clear-sounding conversation when having conference calls. ▶ Infant-like Protein Ear Pads: Ergonomically designed earpads with ultra-soft protein and memory foam for long time listening. Great companion for all-day on-line classes, watching TV/movie and travel.