Original Quality Ap PRO 2 in-Ear Headphones Bluetooth with Anc Full Functionality. 45dB ANC active noise cancellation + dual microphones, support transparency mode switch. Personalized Spatial Audio with dynamic head tracking for immersive surround sound. Original pressure sensing touch control, slide up/down to adjust volume; optical in-ear detection. ENC call noise reduction, clear voice calls in noisy outdoor environment. Large capacity steel shell battery, up to 8 hours single playback time. USB-C charging case, support wired charging & wireless MagSafe charging.