Bluetooth version: 5.4
Company model: A9 Pro: (ANC+ENC)
Chip master-slave switching: Ai dual engine (dual master ears, no master-slave)
Charging case function: buzzer prompt sound + lanyard
Function: Slide the volume up and down +-single ear anti-loss alarm
Pressure: Pressure
In-ear detection: somatosensory
Head-tracking spatial audio: None
Housing: Metal hinges
Speaker: F13 composite titanium mold
Headphone battery: 35mAh ordinary battery
Charging case battery: 350mAh
Wireless charging: Not supported
Headset battery life: 4.5 hours (without noise cancellation)
Comprehensive battery life of the charging case: 36 hours
Standby time: 6 months+ in a fully charged state
ANC Active Noise Cancellation: Noise Reduction Decibel: 32db or more
UI and power screen customization: Yes
Intelligent switching between charging case and earphones: Yes
