bluetooth and 2 4g wireless finger ring barcode reader

{"cid":"91184285","title":"Wearable 2D Finger Ring Barcode Reader USB Wired 2.4G 450mAh","imgUrl":"https:\/\/img.chinax.com\/nimg\/9c\/d8\/c17d967c12e1a747b8cf578d5e1c-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"DYscan","Model Number":"DI9010-2D","Minimum Order Quantity":"2pcs","Delivery Time":"5-7days","Certification":"CE ROHS FCC IEC","Place of Origin":"China","Payment Terms":"T\/T, Western Union,PAYPAL","Supply Ability":"100000pcs\/month","Packaging Details":"55*27*22.5cm\/50pcs \/Carton","Scan Type":"CMOS","Resolution":"3mil","Decoding speed":"1280*800","Depth of field":"3mil\uff1a55~100mm\uff0c13mil\uff1a55~350mm","Scan Mode":"Trigger mode\u3001Auto sense mode","Print Contrast Signal":"\u226520%","Storage":"16Mb\uff08over 100,000 Product code\uff09","Battery capacity":"360mAh","Symbologies":"1D 2D","Dimension":"L51.5mm * W35mm * H45mm"}}

{"cid":"91223212","title":"FR110 Display Wireless Finger Ring Bluetooth Scanner Gun 2.4G QR Code Inventory Express Inventory","imgUrl":"https:\/\/img.chinax.com\/nimg\/84\/bb\/1b9dce98735db5e472e8d2c4711d-200x200-1.jpg","attrs":{"Price":"13-20usd","Brand Name":"SR","Model Number":"FR110","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","Wireless Distance":"2.4G Empty (Depending on the environment): 50M (Empty)","Operating Temperature":"-20\u2103 - +55\u2103","Storage Temperature":"-40\u2103 - +70\u2103","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"}}

{"cid":"91225274","title":"Bluetooth 2.4G Wireless Hands-free Rechargeable Finger Ring Portable Barcode Scanner with Offline Storage for Warehouse Management","imgUrl":"https:\/\/img.chinax.com\/nimg\/9c\/76\/b6c97c2a07bd5a456b5507fa73f0-200x200-1.jpg","attrs":{"Price":"$26-28\/pcs","Brand Name":"HONORWAY","Model Number":"HW-6208","Minimum Order Quantity":"2","Delivery Time":"3-7days","Supply Ability":"10Kpcs\/month","Supported Barcode Type":"1D barcode+2D QR code on paper\/display","Application":"Inventory management, Healthcare asset tracking","Payment Terms":"T\/T","Reading distance":"40-220mm for regular barcodes","Memory":"At least store scanned barcode data 10K","Certification":"CE ROHS FCC ISO9001","Battery":"450mAH,charging time 3-4hours","Product Name":"Cordless Wearable Ring Bar code Reader","Place of Origin":"China","Decoding sensor":"0.3MP 60fps","Feature":"Compact, Wearable, budget friendly,affordable"}}