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Experience studio-grade sound without losing touch with the world. The QCY Crossky C30S features an innovative "C-bridge" clip-on design and Hi-Res Audio Wireless certification with LDAC support. Equipped with a 10.8mm dual-magnet driver and 360° Spatial Audio, it delivers an immersive, theater-like soundscape. With Bluetooth 6.0, 40 hours of total playtime, and a privacy-focused directional audio system, the C30S is the ultimate open-ear choice for fitness, work, and travel in 2026.
Hi-Res Wireless Audio & LDAC Technology The Crossky C30S breaks the "open-ear sound quality" barrier. Certified for Hi-Res Audio, it supports the LDAC codec, allowing for 3x more data transmission than standard Bluetooth. This means you can enjoy near-lossless, high-fidelity music with incredible detail and texture. The 10.8mm Dual-Magnet Bio-Diaphragm driver ensures that despite the open design, the audio remains rich, punchy, and clear.
360° Spatial Sound & Bass Enhancement Get lost in a multidimensional soundstage. QCY’s proprietary 360° Spatial Audio algorithm creates a wide, dynamic sense of space for your movies and games. Combined with a Dynamic Bass Enhancement Algorithm, the C30S intelligently compensates for low-frequency loss common in open-ear designs, providing a deep, satisfying bass response that you can actually feel.
Directional Audio 3.0 for 99.5% Privacy One of the biggest concerns with open-ear headphones is sound leakage. The C30S solves this with Directional Audio 3.0. By utilizing reverse soundwave cancellation, it directs audio straight into your ear canal while reducing outward sound spill by up to 99.5%. Now you can listen to your favorite podcasts or take private calls in public without anyone nearby hearing a word.
Ultra-Lightweight "Anti-Z" Clip Design Weighing only 5g per earbud, the C30S uses a flexible Ni-Ti memory alloy core wrapped in soft, skin-friendly silicone. The "Anti-Z" clip design ensures a secure, pressure-free fit that stays comfortable for hours and won't fall off during intense workouts or runs. It is also fully compatible with glasses and hats.
40-Hour Battery & Bluetooth 6.0 Stay connected longer with the latest Bluetooth 6.0 chip, offering faster pairing and a stable Dual-Device Connection. The earbuds provide 6 hours of single-charge playback, while the charging case brings the total to a massive 40 hours. If you're in a rush, a quick 10-minute charge provides an hour of music
Experience studio-grade sound without losing touch with the world. The QCY Crossky C30S features an innovative "C-bridge" clip-on design and Hi-Res Audio Wireless certification with LDAC support. Equipped with a 10.8mm dual-magnet driver and 360° Spatial Audio, it delivers an immersive, theater-like soundscape. With Bluetooth 6.0, 40 hours of total playtime, and a privacy-focused directional audio system, the C30S is the ultimate open-ear choice for fitness, work, and travel in 2026.
Hi-Res Wireless Audio & LDAC Technology The Crossky C30S breaks the "open-ear sound quality" barrier. Certified for Hi-Res Audio, it supports the LDAC codec, allowing for 3x more data transmission than standard Bluetooth. This means you can enjoy near-lossless, high-fidelity music with incredible detail and texture. The 10.8mm Dual-Magnet Bio-Diaphragm driver ensures that despite the open design, the audio remains rich, punchy, and clear.
360° Spatial Sound & Bass Enhancement Get lost in a multidimensional soundstage. QCY’s proprietary 360° Spatial Audio algorithm creates a wide, dynamic sense of space for your movies and games. Combined with a Dynamic Bass Enhancement Algorithm, the C30S intelligently compensates for low-frequency loss common in open-ear designs, providing a deep, satisfying bass response that you can actually feel.
Directional Audio 3.0 for 99.5% Privacy One of the biggest concerns with open-ear headphones is sound leakage. The C30S solves this with Directional Audio 3.0. By utilizing reverse soundwave cancellation, it directs audio straight into your ear canal while reducing outward sound spill by up to 99.5%. Now you can listen to your favorite podcasts or take private calls in public without anyone nearby hearing a word.
Ultra-Lightweight "Anti-Z" Clip Design Weighing only 5g per earbud, the C30S uses a flexible Ni-Ti memory alloy core wrapped in soft, skin-friendly silicone. The "Anti-Z" clip design ensures a secure, pressure-free fit that stays comfortable for hours and won't fall off during intense workouts or runs. It is also fully compatible with glasses and hats.
40-Hour Battery & Bluetooth 6.0 Stay connected longer with the latest Bluetooth 6.0 chip, offering faster pairing and a stable Dual-Device Connection. The earbuds provide 6 hours of single-charge playback, while the charging case brings the total to a massive 40 hours. If you're in a rush, a quick 10-minute charge provides an hour of music
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