•【Advanced ANC Technology】Featuring Active Noise Cancellation (ANC) with a depth of -43dB, these headphones precisely calculate and intelligently cancel environmental noise for an immersive listening experience. •【Premium Sound Quality】Equipped with 40mm titanium-plated dynamic drivers, enjoy HIFI-level audio with rich, layered, and dynamic stereo sound. •【Stylish Design】Embracing a neutral color palette with premium materials and curved aesthetics, these headphones transform simplicity into a sexy, tech-savvy design language. •【Exceptional Battery Life】With up to 55 hours of playtime on a single charge, these headphones ensure long-lasting entertainment. When the battery is depleted, use the included audio cable for continued high-resolution audio enjoyment. •【Dual Device Connectivity】Connect to two devices simultaneously, allowing for seamless switching between audio sources. •【Clear Call Quality】Enhanced with ENC (Environmental Noise Cancellation) technology for crystal-clear voice communication during calls. •【Ergonomic Comfort】Featuring an adjustable, retractable design to fit various head sizes comfortably for extended wear. Specifications: •Bluetooth-compatible Version: 5.4 •Transmission Range: 10 meters •Material: ABS •Battery: 3.7V, 500mAh •Playtime: Up to 55 hours •Speaker Size: Φ40mm •Charging Time: Approximately 3 hours Package included: •1 x Bluetooth-Compatible Headphone •1 x Charging Cable •1 x Audio Cable •1 x English and Chinese User Manual