how to learn spanish for free

{"cid":"91183649","title":"Free Offline Spanish Voice Translator G20 HD Display For Students Learning","imgUrl":"https:\/\/img.ismap.com\/nimg\/57\/95\/5e5d4228f2d0e1d74394e67e6609-200x200-1.jpg","attrs":{"Price":"Negoticble","Brand Name":"FARSEER","Model Number":"G20","Minimum Order Quantity":"20pcs \/ Carton","Delivery Time":"5-8 work days","Place of Origin":"Shenzhen,China.","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"2000 pcs per month","Certification":"3c certificate","Packaging Details":"36.5*22.3*33.5\uff08cm\uff09","Color":"dark grey","OS":"Android 6.0","CPU":"1.3Ghz,Quad Core","Display":"5'IPS 720*1080pixels","Pixel Cameras":"Front 200MP,Back 200MP","Screen":"touch screen"}}