1: Support sliding control volume, support pressure sensing control UI, support audio warehouse 2: Support head tracking, support custom spatial audio 3: Support IOS cloud connection (headset connected to iCloud) support seamless switching, support Android IOS drag two 4: Support HeySiri, support dual-system OTA 5: Support Hybrid doubly-fed active noise cancellation (best ANC version), support dual-mic call noise reduction (ENC), three microphones per headset 6: Adapt to IOS16 pop-up intelligent connection 7: Huilian 277 chip H2SPro, 1:1 hinge, 6-axis gyroscope, three-tone speaker module, 45 mAh steel shell large battery