STMKB Bluetooth Smart Glasses - 220mAh Blue Light Blocking

Product parameters: Name: Smart Bluetooth Audio Sunglasses Temple Material: PC Frame Material: Acetate Sheet (Compared with ordinary material, it is more durable and not easy to break.) Lens material: nylon Product weight: 48 grams How to use: button Charging method: USB charging Bluetooth: 5.0 Charging time: 2H Full operation support 6-8H Function: Open listening experience/Anti-Blue Light/UV/Stereo Surround/Voice Control/Bluetooth Audio Call/IP67 Waterproof and Dustproof Notice: Glasses are only life waterproof and sweat proof, please do not wear them while swimming If you have any questions, please contact customer service, I wish you a happy life