FIIL Key Pro2 Chinese Ver. Smart 55dB Deep Noise Cancellation Bluetooth 6.0 Wireless Earbuds with Long Lasting 35Hrs, In-Ear or Semi-Open Eartips Freely Switch & Hi-Res Audio

Product Highlights:

• Seamlessly switch between in-ear and semi-in-ear modes;
• Bluetooth 6.0, multi-connection for 2 devices;
• Featuring a Hi-Res Audio certified φ10.1mm Tailor-made Wool Composite Diaphragm Dynamic Driver and LDAC transmission with 3x the data speed for high-resolution audio;
• Industry-leading -55dB hybrid active noise cancellation;
• Up to 35 hours battery life with charging case, 7.7 hours per charge;
• Wind noise cancellation with triple-mic(single earbud), AI call noise cancellation;
• IPX5 Waterproof (Earbuds)

Origins of product design inspiration

Fifty years ago, in the heart of Tokyo's luxurious Ginza district, the Nakagin Capsule Tower offered young people a fully-equipped life within just 10 square meters, empowering countless ambitious individuals to achieve extraordinary things. Today, the Key Pro2 carries on this spirit of innovation. With its upgraded Hi-Res certified audio, advanced adaptive noise cancellation, and all-round exceptional performance, it creates a personal "True Quiet World" — allowing you to immerse deeply in crystal-clear sound, enhance focus, and achieve your own greatness.

Audio & other features

• φ10.1mm Tailor-made Wool Composite Diaphragm Dynamic
• Speaker Frequency:20Hz~20kHz
• Mic Sensitivity: ~38dBV@94dBSPL, 1KHz iuput                  
• Mic Frequency: 20Hz~10kHz
• Water-resistant: IPX5 (earbuds)
• Low Latency Mode: Game & Music

Adaptive System

1. Adaptive Environmental Noise Cancellation: 16,000 real-time checks per second. Our smart earbuds auto-adjust noise cancellation to your scene;
2. Ear Canal Adaptive Tuning: Scans your fit every 16 seconds and smart-adjusts noise cancellation; 3. Adaptive EQ Matching: Adjusts noise cancellation and sound profile every 16 seconds;
   

Adaptive Wind Noise Cancellation

A sophisticated 6-microphone array (4 directional mics + 2 feedback mics) ensures precise voice pickup.  Actively detects and cancels wind noise every 32ms  — so you get crystal clear sound, even on windy days.

Up to 35+ hours long battery life (with charging case)

• 7.7 hours playtime by single charge (music play, ANC OFF)
• The charging case can charge the earbuds around 4 times
• Total battery life up to 35+ hours Support fast charging

Dimensions & Weight

• Earbuds: ~4.2g/each
• Charging case: ~55×22x53 (mm)
• Charging case: ~34.5g