Features: 1.[Smart Sound Glasses] Open back headphones that allow you to stay aware of your surroundings while enjoying your music. Great for meetings, driving, gaming and traveling. 2.[HiFi Stereo] Bluetooth sound glasses with double speakers, HiFi stereo, top chips, speakers, ensure the noise reduction of the mobile phone and effectively restore the fidelity. 3.[Bluetooth 5.3] Upgrade the Bluetooth 5.3 chip, which is faster and more stable. Bluetooth 5.3 plus ACC sound decoding technology provides CD level sound effects, reduces sound quality loss, and preserves music details. 4.[Fast Charging] The glasses support super fast charging, the charging time is only 13 minutes, and the playback time can be up to 3 hours. Powerful and durable. Magnetic fast charging technology makes you no longer need to worry about the power of Bluetooth smart glasses. 5.[Convenient Touch Control] Intuitive and comfortable touch control is provided through two touchpads located on both sides of the frame. Convenient one touch control of your music or calls, and you can use your voice helper completely hands?free. 6.[IPX4 Waterproof] Bluetooth glasses with professional waterproof and sweatproof performance. Effectively prevent the damage caused by the splash of sweat and rain. Excellent sound quality, stable compatibility and connectivity. specification:Item Type: Smart Glasses Frame Material: Grilamid TR Lens Material: Nylon, Polycarbonate Frame Color: Black Bluetooth: 5.3 Channel: Double Speakers, Stereo Lens Type: Anti Blue Light Lens Control Method: Touch Waterproof Grade: IPX4 Battery Capacity: 80mAh Lithium Battery (Included) Charging Time: 13min Charging Voltage: DC 5V Playing Time: 3 Hours PackageList: 1 x Bluetooth Smart Glasses 1 x Magnetic Charging Cable 1 x Glasses Storage Bag 1 x Glasses Cloth 1 x Manual