Wearable Ring Design The ring shaped mini barcode scanner is compact and portable. It can be worn on either finger (left or right) for hands operation, increasing comfort and convenience. Widely Barcode Support Supports scanning QR, PDF417, DataMatrix, and also 1D barcodes for versatile use. Compatible With Most Devices Connects to smartphones, tablets, or PCs via Bluetooth or USB for broad compatibility. Bluetooth Wireless Connection Wireless transmission distance up to 30 feet (10 meters). Compared with common wired handheld scanners, it can increase productivity by 10% to 30%. Use Scenarios Retail and point of Scan product barcodes quickly while keeping both hands to assist customers or bag items. Warehouse and inventory management Perform hands stock checks and bin scanning, improving accuracy and speed during cycle counts. Field service and events Register attendees, scan tickets, or capture product information on the go without cables or clutter.