2K HD recording 4k photography be personally on the scene Super resolution processing, intelligent noise reduction Smooth scaling, automatic monitoring,etc Smart fashion, Camera Bluetooth glasses. 2K HD camera Multiple mode selection Not just camera glasses Or dash cam You can also listen to songs and make calls,When driving, turn on the video to record the whole driving!process Wide angle , hands free, safe driving High quality loudspeaker Semi open cavity Stereo high-definition sound comes into your ears Audio visual | call 90 Minutes continuous recording External power bank Standby for 180 days supporting 90 Minutes of continuous recording External power bank can be connected to extend the recording time Colour:Black Material:plastic Memory card Type: No memory Package Contents: 1set x Smart Glasses Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.