Wifi camera with nano earpiece A small camera that works remotely via Wi-Fi, designed for reading papers. You can adjust the focus based on the distance of the paper from the camera. Works on Wi-Fi (remotely) from anywhere via phone (iPhone) (Android) via the app. Camera angle: 90 degrees. Works on video resolution (you can choose any resolution you want): (1080p) (2k) (4k) Battery size (1000) mAh, you can use it for 4/5 hours without continuous electricity.