Chip: AC6955F+TI

Bluetooth version: V5.3

Horn counter-assembly: Φ40mm, 32Ω

Frequency range: 20Hz~20KHz

Horn sensitivity: 112±3dB

Wireless transmission distance: Approximate value ≥ 10 meters

Active noise cancellation: -23±2DB (FF)

Working time: 18 hours (with ANC enabled)

28H (ANC closed)

Standby time: >200 hours

Charging time: 1.5 hours

Battery capacity: 400mA / Max: 800mA

Antenna type: vehicle-mounted antenna

RF transmit power: 6dB

RF receiving sensitivity: -90dB

Call microphone head: MIC

Standby current: <2uA

Charging time: 1.5 hours

Operating voltage: 3.7V

Charging current: 350mA