Material: ABSColor: BlackPackage Size： 17 × 7 × 6 cmPackage Weight： 0.24 kgPacking List: 1 x Smart Audio Glasses, 1 x Type-C Charging Cable, 1 x User Manual1. Bluetooth 5.4 Stable Wireless Connection: Equipped with advanced Bluetooth 5.4 technology, offering fast pairing and stable connection within 10–15 meters for smooth music streaming and hands-free calls.2. 8 Hours Playback & Talk Time: Dual 100mAh batteries provide up to 8 hours of music playback and talk time, with 168 hours standby, ensuring reliable performance throughout work or travel.3. UV400 Protective Sunglasses: Anti-blue light UV400 lenses protect your eyes from harmful rays and glare, making these smart glasses ideal for driving, cycling, and outdoor activities.4. Hi-Fi Sound & Air Conduction Audio: Built-in speakers deliver clear Hi-Fi stereo sound while keeping your ears open to surroundings, enhancing safety during sports and commuting.5. Touch Control & Type-C Charging: Integrated touch controls allow easy management of music and calls, while the Type-C charging port ensures convenient and efficient recharging in about 1.5 hours.