bluetooth 5 0 ring shaped barcode scanner

{"cid":"91223212","title":"FR100 Bluetooth Scanner Compact and Lightweight Handheld Barcode Scanner for Inventory Management","imgUrl":"https:\/\/img.chinax.com\/nimg\/5c\/d7\/e1d9148fbc27894af08d8bdd0250-200x200-1.jpg","attrs":{"Price":"13-20usd","Brand Name":"SR","Model Number":"FR100","Minimum Order Quantity":"10PCS","Delivery Time":"5 working days","Place of Origin":"China","Payment Terms":"L\/C,T\/T","Supply Ability":"4000 pcs\/day","Packaging Details":"corrugated box","Dimensions":"54.5(L)\u00d749.5(W)\u00d735(H)mm","Weight":"Scanner: 42g; Packing: 120g","Roll\/Pitch\/Yaw":"270\u00b0\/\u00b160\u00b0\/\u00b160\u00b0","Field Angle":"Horizontal: 42\u00b0; Vertical: 26.5\u00b0","Print Contrast":"25% Minimum reflective difference","Scanning Speed":"300 times\/second (300 Pcs (The chip speed))","Radio Frequency":"2.4G\u00b2 - 2.485GHZ, Compatible with Bluetooth 4.0","Continuous Work Time":"Scanning for 5 hours (Once every 5 seconds)"}}