1. Equipped with TF card slot (excluding TF card). 2. Humanized operation buttons, easy to control. 3. Fashionable design, suitable for men and women to wear. 4. Easily connect to a PC or laptop without the need for a driver. 5. This ordinary but cool pair of sunglasses cleverly hides a camera in the middle of the sunglasses. Simply the power button and it start recording a color video with sound and store the video on the TF card (excluding TF card). With these glasses, you never forget any unforgettable scenes. It is used for other outdoor sports, such as tourists and students, police, and lawyers. Video format: Video encoding: M-JPEG Video resolution: 1920 x 1080p Video frame rate: 30fps Image format: JPG Image Scale: 4:3 Lens angle: 120 Playback software: mainstream video playback software Compatible system: suitable for ME 2000 xp 2003 macOS 10.4 Linux Battery type: High capacity lithium polymer lithium battery Battery capacity: 300mah Charging voltage: 5V/1A Charging time: approximately 2 hours Battery life: approximately 2 hours Charging port: micro-USB Memory expansion: TF card, maximum 128GB (excluding TF card) Color: Black Material: plastic Package Contents: 1 x Glasses Camera 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.