5BC Bluetooth safety glasses for work audio smart glasses headphones with mic, Clear Lens

High-impact Polycarbonate lens with double-sided hard coating. It can prevent wind and sand, and is suitable for cycling, working safely, driving, and protecting your eyes. Connect to your phone via Bluetooth for listening to music and making phone calls. Bluetooth safety glasses can be connected to two devices simultaneously. Smart safety glasses with built-in Bluetooth chips and speakers provide you with rich, high-quality sound while minimizing the sound heard by others. Built-in microphone for clear calls and access to the voice assistant of the phone.
Battery: Rechargeable Bluetooth glasses with up to 8 hours of continuous listening per charge.
Weight: 45g.
Bluetooth range: 30ft.
Volume turn-up operation reminder: After Bluetooth pairing, first turn up the volume of your paired mobile phone, then turn up the volume of your Bluetooth glasses by pressing the glasses volume button +. Bluetooth pairing method for Bluetooth safety glasses and mobile phones: 1. Press and hold the power button for 5 seconds (for 5 seconds, do not let go) until the red and green light flash alternately and the glasses enter Bluetooth pairing mode. 2. Turn on Bluetooth on your mobile phone, find "Vision 5A/5B" in the drop-down list and click to select "Vision 5A/5B". A pop-up window appears; click confirm pairing