热卖FIIL Key Max深度有源降噪耳机，获得双金认证的蓝牙耳机，适用于电脑、手机、游戏、音乐的新型号，电池寿命长，音质高，月光白

**Specifications:**

Brand: FIIL

Model: KeyMax

Features: Hi-Fi deep noise cancellation wireless Bluetooth headphones

Compatibility: Requires playback device supporting LDAC decoding

App Support: FIIL+ app for activating functions (paid subscription required)

Noise Cancellation: Up to 48dB deep noise cancellation

Certification: Dual gold standard audio quality certification

Technology: Patented TDDC system for noise isolation

Audio Quality: Hi-Res audio with 40mm Hi-Fi drivers

Battery Life: Over 80 hours of playback time

Modes: Cinema mode for immersive experience

Connectivity: Bluetooth 5.4 and Type-C dual device connection

Call Quality: Dual microphone A.I. for intelligent noise reduction during calls

Design: Stylish and comfortable for extended wear

Additional Features: MAFTM noise cancellation system, voice-preserving ambient mode

Environmental Noise Reduction: Up to 48dB in noisy environments

LDAC Transmission: High-resolution audio transmission for crystal-clear sound

Certification: Hi-Res Audio and Hi-Res Audio Wireless dual gold standard certification

Frequency Response: Up to 40kHz for high-fidelity sound reproduction

Compatibility Note: LDAC playback device required for optimal performance

Battery Charging: Quick charge feature for 5 hours of playback in 5 minutes

Dual Connection: Simultaneous Bluetooth and Type-C wired connection options

Call Enhancement: ENC dual microphone A.I. for clear voice calls

Connection Flexibility: Seamless switch between wireless and wired modes

*Patent Number: CN204948303U*