Features & Specifications of Acefast H9 Active Noise Cancelling Headphone

Key Features:

• 30dB ANC noise cancelling
• BT v5.4
• 40mm professional-grade Hi-Fi drivers
• Multifunctional knob controller
• Adjustable headband
• HD microphone

Specifications:

• Bluetooth version: v5.4
• Audio protocol: SBC / AAC
• Transmission distance: 10m
• Driver: 40mm | HiFi level
• Frequency response: 20Hz-20kHz
• Battery capacity: 500mAh, 3.7V
• Input: DC5V⎓1A (USB-C)
• Charging time: Up to 2.5 hours
• Working time: Up to 55 hours (ANC off), Up to 45 hours (ANC on)
• Feature: On-ear earcups with protein leather and memory foam | Earcups rotate 90 degrees for ease of carrying