Porodo Lifestyle Vista Smart Audio Glasses - Equipped with dual 80mAh batteries providing up to 8 hours of playback time. Bluetooth 5.4 ensures strong and stable connection with up to 15 meters transmission range. Touch control system allows easy operation without physical buttons. Type-C charging enables fast and practical recharging within 2 hours. Ultra-long standby time of up to 3 months makes it highly efficient for daily use.