True Active Noise Cancellation: The headphones provides the true active noise cancelling experience which reduces over 25dB noise with ANC mode button. While the ANC light turning on after the ANC mode on, and the headphones can make an immersive listening surrouding with lower noise. Bluetooth 5.3 Version & cVc 8.0 Clear Calls: The advanced Bluetooth 5.3 version helps to be more stable connecting for the wireless headphones. The Bluetooth headphones supports the cVc 8.0 noise reducing microphone which can improve to communicate clearly for crystal clear calls with less background noise. Over 52H Playtime & PD Quick Charging: The active noise cancelling headphones supports over 52 hours playtime with ANC mode. It also provides over 100 hours with normal mode by its 1000mA battery power. The type-c charging port has the fast charging function while charging 20 minutes and getting 2 hours playback. It also only needs 3 hours charging time for fully charged 52 hours playtime. Incredible Hi-Res Audio Level: The wireless headphones exists the improved 40mm drivers and AptX codec with powerful HiFi audio. It can support the earphones to play flawless, clear, multiple directional, remarkable, rich wireless music with less audio delay and lower latency. Multi-Functional Comfort Design: The over ear headphones provides the advanced protein skin material for ear cups with memory foam function. Its adjustable headband has 90° rotational axis for a comfortable wearing position. The on-ear headphones only has 7.8oz(220g) to wear and carry due to its soft headband pad. Sccaty SC-BH002