Voice Control and Simple Touch：Our smart glasses have voice control, allowing you to take calls, switch music, adjust volume or use voice assistants such as Siri or Google Assistant, all with a simple voice command. The sensor areas on both sides of the temples also offer touch controls. Open-Ear Sound Experience: Designed with crystal clear sound, with two speakers that deliver a rich and clear sound experience, while the dual-mic system guarantees optimum voice-calling quality. Have noise-cancelling technology that limits external interferences, providing an immersive audio experience. Protection & Waterproof: These wearable tech sunglasses are waterproof with an IPX4 rating, ensuring that they can withstand drops of water and even light rain. ALL Day Battery：Our smart sunglasses have a long-lasting battery life of up to 9.5 hours of media playback and standby time of over 300 hours, with fast-charging technology that fully charges in just 1.5 hours. Plus, you'll receive voice notifications when the battery is running low. Automatic Connection: Offer Bluetooth 5.3 compatibility for all Android and iOS devices, providing immersive audio, hands-free calling, and real-time updates on directions and weather. Feature automatic connection/ shutdown when you wear /fold them, with an applicable range of up to 75 feet.