Humanized operation buttons, easy to control.Memory slot with TF card.Easily connect to a PC or laptop without the need for a driver.Fashionable and fashionable design, suitable for men and women to wear.Suggested for other outdoor activities, such as travelers and students.Video format: videoEncoding: M-JPEGVideo resolution: 2560 x 1440PVideo frame rate: 30fpsMedia playback software: software that links to the or mainstream video playback softwareImage format: JPGImage scale: 4:3Compatible : Suitable for ME 2000 xp 2003 macOS 10.4 Linux.Battery: Large capacity lithium polymerCharging voltage: 5VCharging time: approximately 2 hoursBattery life: 120 minutesInterface: Type-CColour:BlackMaterial:ABS+GlassType:Without CardPackage Contents:1x wireless Bluetooth glasses1x charging cable1x cleaning cloth1x glasses lensOnly 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.