Wi-Fi button camera, nano earpiece. Used once. 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) through the app. Camera angle: 90 degrees. Works on video resolution (you can choose any resolution you want): (1080p) (2k) (4k) Battery size (1000mAh), you can use it for 4/5 hours without continuous electricity. Price: 700