best pos system for coffee shop

{"cid":"91200015","title":"Core I5 All In One 15'' Touch Screen Pos Machine For Supermarket","imgUrl":"https:\/\/img.ismap.com\/nimg\/1f\/d4\/f13b7420b045b664a2648228df1a-200x200-1.jpg","attrs":{"Price":"$250.00 - $265.00","Brand Name":"Carav\/OEM","Model Number":"AIO-1589","Minimum Order Quantity":"10pcs","Delivery Time":"7-10 days","Certification":"CE, FC, RoHS","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"1000pcs per month","Packaging Details":"each pos all in one will packed in a pearl cutton bag, pearl cutton fix on a box, 2 unit per a carton","Model":"AIO-1589","CPU":"Intel i5 gen3th\/5th for optional","Operating system":"Win7, Win8, win 10 English version","Viewing angle":"Horizon: 160\u00b0 Vertical: 160\u00b0","Hard Disk Capacity":"SSD 32GB\/64GB\/128GB","RAM":"RAM\/4GB\/8GB","Cetificate":"CE\/ROHS\/EMC","Material":"metal","Color":"black\/slivery","keyword":"Windows POS System"}}

{"cid":"91194020","title":"Hand Free 3mil Automatic POS retail barcode scanner 100 times\/s speed","imgUrl":"https:\/\/img.ismap.com\/nimg\/fd\/c3\/801eb84069dbb2cd2b2390eb8179-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"SUNLUX","Model Number":"XL-616A","Minimum Order Quantity":"50 Pieces","Delivery Time":"5-8 work days","Certification":"CE","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"60000 PCS per month","Packaging Details":"Bubble pack+Box for 1 piece, 50 pieces per carton.","Scan Speed":"100 times\/s","Print Contrast":"\u226510%","Scan Distance":"20-450mm","Resolution":"\u22653mil","Size":"175mm x 73mm x 102mm","Scan Mode":"Manual, Auto"}}