[Connected To Computer] Camera headset glasses can be connected to a computer to play, take down the memory card, use the card reader to plug into computer for playback, you can also use the data cable. [OTG Function] This camera music glasses can use OTG converter, support cell phone for Android system playback (download USB camera software). With earphones, convenient for you to view the recorded video. [Free Your Hands] Not only Bluetooth camera glasses, or driving recorder, support listening to songs and answering phone calls, open video recording when driving, large wide angle shooting, free your hands, safe driving. [Polarized Lens] Wireless video sunglasses with HD polarized lens, blocking glare, stray light, clear view, improve driving safety. Long term continuous recording can be externally connected to a power bank. [Multi Application] Smart glasses are suitable for meetings, training, classroom records, home life records, outdoor sports, travel, business negotiations, mountaineering, hiking, outdoor exploration, etc.