https://alexnld.com/product/pocket-wireless-bluetooth-barcode-scanner-mini-laser-portable-reader-red-light-ccd-bar-code-scanner-for-ios-android-windows/?hilite="FS20 1D/2D Ring Barcode Scanner 640*480CMOS 2.4G Wireless bluetooth USB Offline Storage QR Code Scanner Portable Wearable Mini Finger Bar Code Reader"