FEATURE Hi-Res Audio offers a original, immersive sound experience. Features a 40mm driver with titanium coated composite diaphragm. Compatible with AAC and SBC audio codecs. Enhancing listening experiences with a -43dB noise reduction depth. Total 56 hours (ANC OFF) playtime with fast charging : 15 minutes for 10 hours of use. Bluetooth V5.4 provides multi-point connection, enabling seamless switching. Fully foldable design with large memory foam earpads for easy carrying and comfortable wearing. The Pro version upgrade reduces the earphone case thickness for a less bulky look. 0.06s ultra-low latency game mode. Customize and experience preset EQ styles via EDIFIER ConneX. Multiple Inputs : Bluetooth / USB-C