Experience the latest Bluetooth-compatible 5.3 technology for stable connections and extended battery life, ensuring uninterrupted usage throughout the day. The pulse DT3.0 technology delivers directional sound transmission, adjusting the sound angle to your ear canal for precise audio projection and reduced sound leakage. These Bluetooth-compatible sunglasses offer both fashion and function, shielding your eyes from harmful UV rays while complementing your daily travel attire effortlessly. With a highly sealed design, these glasses are resistant to sweat, rain, and cosmetics, providing superior waterproof protection for outdoor activities and daily wear. Featuring a Type-C charging port, intuitive buttons, and voice assistant compatibility, these glasses are versatile for everyday use, outdoor adventures, travel, sports, and more. Item Name: Smart Glasses Material: ABS Bluetooth-compatible: V5.3 Speaker: 16cm Speaker Standby Time: 60+ Working Time: 3-4 Hours Charging Time: 1 Hour Communication Distance: 10 Meters Headphone Battery Capacity: 80mAh Features: Practical, Lightweight, Waterproof Size Details: Glasses Leg: 16.5cm/6.5" (Approx.) Lens Frame Length: 15cm/5.91" (Approx.) Lens Frame Width: 4.8cm/1.89" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Smart Glasses 1 x Charging Cable 1 x Instruction Manual