Compatible Models: Bluetooth Protocol: 5.4 Standby Time: Approx. 100 hours Charging Function: Charging case charges the earbuds Speaker Size: Diameter 14.2mm Sensitivity: -85dBm Display: Charging/Battery Display Instruction Manual: Chinese/English Charging Cable Length: 30CM Playback Time: Approx. 6-8 hours Charging Voltage: 5V Charging Port: Type-C Charging Case Capacity: 400mAh Bluetooth Version: ChinaCache 5636D Bluetooth V6.1 Frequency Range: 2.402GHz-2.480GHz Earbud Charging Time: Approx. 1 hour Charging Case Charging Time: Approx. 1.5 hours Earbud Battery Capacity: 50mAh Signal-to-Noise Ratio: ≥90dB Low Battery Warning: Beep tone Dimensions: 108*150*36mm (4.25" x 5.91" x 1.42") Colors: Sliver, Gray Material: ABS+PC Packaging: Boxed Package List: Earphones*2, Charging Case*1, Instruction Manual*1, Charging Cable*1 Product Description 1. Superior Call Clarity and Uninterrupted Audio: Utilizes advanced ENC (Environmental Noise Cancellation) technology for crystal-clear calls. These earphones feature 35dB intelligent broadband deep noise cancellation, blocking up to 99.44% of external noise to ensure clear, uninterrupted sound, allowing you to enjoy a tranquil listening experience. 2. Immersive Hi-Fi Spatial Sound: Hi-Fi sound quality and a realistic spatial sound field immerse you in a live listening experience. Our innovative high-precision technology employs a layered horn design, equipped with a high-elasticity dynamic bass driver and a polymer ceramic tweeter coaxial dual unit, delivering pure sound quality. The new 360° panoramic stereo effect, using immersive atmosphere conduction technology, simulates an immersive surround sound environment, enhancing your audio experience. 3. Long Battery Life Seamless Connectivity: Enjoy up to 10 hours of listening time on a single charge. With the charging case, the total battery life reaches an impressive 80 hours, allowing you to enjoy your music all day long. The earbuds support instant automatic pairing; simply remove them from the case to automatically connect, providing a stable and smooth audio transmission. 4. Ergonomic Design & Premium Craftsmanship: The earbuds are made of high-quality ABS+PC material, making them lightweight and sturdy. The ergonomic design, with a flexible titanium alloy inner layer, ensures a secure and comfortable fit, staying firmly in place even during vigorous exercise to prevent them from falling out or slipping. **These earbuds feature the newly upgraded Bluetooth 5.4 protocol, providing faster, more stable, and more energy-efficient wireless connectivity for all compatible devices. 5. Breakthrough Real-Time Translation Function: Overcome language barriers and stay connected with revolutionary new app functionality. Our earbuds offer real-time audio and video call translation, allowing you to easily communicate with anyone, anytime, anywhere, without the other party even needing to download an app. This truly transformative feature enhances the communication experience for users worldwide.