【Package Includes】 Tera Barcode Scanner x1, USB Cable x1, User Manual x1 【Wearable Ring Barcode Scanner】Special ring design, mini portable barcode scanner can freely rotate on your finger, which can make your work much easier and more convenient. Anytime you want to collect data, just connect it with your device via Bluetooth or using the storage mode. Durable trigger button, easy one click to scan fitting perfect on your finger and comfortable to use. 【Global Shutter Scanning Camera】High resolution camera makes the barcode scanner faster and more precious scanning ability. This scanner works with Bluetooth, 2.4GHz wireless and USB 2.0 wired mode. With built-in 16 MB memory, up to 50000 bar codes can be stored in the scanner. 【Versatile 3-in-1 Transmission】Tera barcode Scanner can work via 2.4Ghz wireless + USB 2.0 wired+Bluetooth. It can be widely used in supermarkets, shopping malls, cosmetic stores, retail industry, postal industry, logistics, banks and medical institutions. Vibration Alert: When you need a quiet working environment, just set the volume off and the vibration function will lets you know if a bar code is detected. 【Two upload mode】Instant upload mode + Storage mode. Larger 400 mAh battery, longer standby time and continuous working time than other ring barcode scanners on marketplace when fully charged.