Feature: 1. VOICE CONTROL: Featuring smart assistant and the latest BT 5.3 technology for hands free phone calling and answering, easy connection to your favorite music program, easy to inform directions, weather and traffic updates. 2. OPEN EAR SOUND EXPERIENCE: Our smart glasses are designed with open ear speakers, so you can say goodbye to the discomfort of wearing headphones for a long time. The sound quality is loud enough for you to enjoy your favorite music freely. The bass frame will not interfere with your listening to the sounds around you. 3. EASY CONNECTION WITH BUILT IN MICROPHONE: It connects easily to your for iOS, for Android devices. The built in microphone allows you to make clear hands free calls. Dual microphones pick up your voice clearly in noisy backgrounds. 4. PRIVACY PROTECTION: Privacy mode is automatically activated to prevent people around you from eavesdropping on your calls, giving you peace of mind. 5. IP5 WATERPROOF: The glasses are waterproof to IP5 level, which can effectively resist sweat and rain. No need to worry about sweat ruining them during outdoor sports. Specification: Item Type: Smart Glasses Material: TR, PC Frame Color: High Gloss Black Battery: Polymer Lithium Ion Battery (Built In) , Capacity: 2x110 mAh BT: BT 5.3 Speaker: Dual Speakers, Stereo Waterproof Rating: IP5 Charging Time: 90 Min Battery Life: Standby Greater Than 20 Days, Continuous Music Playback Greater Than 6h (80% Volume) Microphone: Built In Noise Canceling Microphone Compatible System: For IOS and for Android . Package List: 1 x Smart Glasses1 x USB Cable1 x Dust Free Cloth1 x Instruction Manual