Basic Info Waterproof Rating: IP54 lens: Ordinary lenses/electrochromic lenses (optional) Temple Material: PC Button: Touch/Hall Charging method: Magnetic Platform: Bluetrum-5712F Bluetooth: Support Touch button: Support Speaker: 0820 speaker 2 pcs Microphone: 2 silicon microphones Indicator light: 2 pcs battery: 90mAh*2 Operating Temperature: 0°C to 55°C Charging Temperature: 0°C to 40°C (±3°C) Operating Humidity: 10%-90%RH（non-condensing） Storage temperature: -20°C to 70°C Storage Humidity: 5%-90%RH（不凝结） Language Support: Chinese and English Power On/Off: Hall switch Auto power off: Close the temple arms for automatic power off. Status indicator light: When not connected, the blue light blinks; when connected, it stops blinking. When powered off, the red light blinks twice. While charging, the red light is on; when fully charged, the blue light is on. Touchpad Operation: Play/Pause: single-click on the right side; Volume: swipe forward on the right side to increase, swipe backward to decrease; Switching: double-click on the right side for next track, triple-click for previous track; Answer/Hang up: swipe forward on the left side to answer, swipe backward to hang up; Electrochromic color change: swipe forward on the left side to darken, swipe backward to lighten Voice Wakeup: Say'Hello Xiao Cheng' or 'Hey Cyan' to activate AI Features: Supports asking questions to the large model (weather, knowledge, etc.) OTA upgrade: None, upgrade via charging cable.