Description: Name: Smart Glasses Chip platform: Zhongke AB5376A2; Bluetooth-compatible 5.0: approximately 40 feet (12 meters or more); Horn specification: AAC horn; Indicator light: red+blue (left)+red+blue (right); Battery: 80 mA+80 mA; Charging: 2-pin magnetic charging sleeve (left)+2-pin (right); Charging time: approximately 70 minutes; Standby time: approximately 150 hours; Talk time: approximately 4.5 hours; Music playback time: approximately 4 hours; Color: black and white; Control: Left+right buttons; Glasses frame: board; Lens: TAC+UV400 (anti UV 22%); Glasses leg: PC; Waterproof: IP65; Glasses weight: 38g; Single unit weight: 224g; Color box size: 200 x 80 x 70MM; Packing list: 1 x smart glasses 1 x glasses cloth 1 x data cable 1 x instruction manual 1 x glasses case Note: Due to manual measurement, please allow 1-3 cm error, thank you Due to screen and other objective reasons, there may be a certain color difference, please understand.