About this item SMART AUDIO: Features open-ear audio technology with discreet stereo sound quality and built-in dynamic microphone for calls and voice control WIRELESS CONNECTIVITY: Equipped with Bluetooth 5.3 technology for seamless connection to your devices and crystal-clear audio streaming BATTERY PERFORMANCE: Delivers 6+ hours of continuous audio playback on full charge, with up to 7 days of standby time CHARGING SYSTEM: Convenient magnetic clip charging design for effortless power replenishment when battery runs low EYE PROTECTION: Transparent frame design with specialized lenses that filter out harmful blue light from digital screens package contents: Smart Glasses*1 Charging Cable*1 User Manual*1 Product parameters Bluetooth version: V5.3 Bluetooth distance: 10m Battery: 60mAh * 2 Play time: 5 hours Frame: Metal or Nylon Standby time: 200 hours Charging time: 30 minutes Charging port: DC Match of the dual eyeglass legsDual eyeglass legs automatically match each otherafter power on. Device ConnectionTum on the Bluetooth, find the device MZ**/MX**and pair the connection. Charging Magnetic charging: red light on when charging. bluelight on when full charging and the light will tum off30 seconds later.(Takes 30 minutes to fuly charge) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store