




official standard: earphones (L/R)*1, charging case*1, charging cable*1, manual*1
Product Specifications
Small diameter 13.5mm earbuds compatible with 99% ear sizes, optimized for Asian ear canals (>14mm)
Lightweight, comfortable open-fit design with star ring aesthetic featuring triple-layer pearl gloss paint
Carbon fiber dual-magnet drivers with high rigidity diaphragm for enhanced bass and low distortion
Bass performance increased by 100% compared to traditional wool paper diaphragms
High sound pressure level up to 93dB
Advanced acoustic algorithms including Dynamic Low Frequency Adjustment 3.0 and Audio Low Frequency Enhancement 3.0
IMAX cinema-level 360° spatial sound technology simulating realistic sound environments

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Noise-adaptive volume control for clear listening indoors and outdoors
4.6° directional sound focusing structure to prevent sound leakage up to 99.7%
Certified by NetEase Cloud Music for superior sound quality
Bluetooth version 6.0 with low latency and lossless transmission
Dual device simultaneous connection with seamless switching
Wireless range up to 10 meters
IPX5 rated for sweat and rain resistance
Touch controls for play/pause, call answer/end, voice assistant activation, and channel switching
Charging case button for pairing and factory reset functions
One-step pairing with automatic left/right earbud reassignment
AI-powered real-time translation supporting 30+ languages, provided by iFlytek technology
High accuracy transcription and voice-to-text conversion
Four-microphone AI noise reduction for clear calls in noisy environments
QCY Crossky C50 earbuds x1
User manual x1
Type-C charging cable x1
Wearing guide card x1
Data sourced from QCY official statistics and third-party laboratory tests
Actual performance may vary depending on usage conditions and individual differences

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