The Generalscan R5521 is a wearable 2D ring scanner that uses the Zebra SE4770 engine. It can decode a wide array of symbologies, including 1D, 2D, and OCR, even those that are poorly printed or displayed on a screen. The scanner has a battery life of up to 9.93 hours and features dual-mode Bluetooth 4.0 technology, NFC, vibration alerts, AI identifier recognition, real-time data transmission, and batch data offline upload. It's also durable, capable of withstanding multiple 4.9ft./1.5M drops to concrete. The R5521 is suitable for various applications, from warehouse to front-of-store.