calorie burning calculation smart skipping rope

{"cid":"91220888","title":"FCC Cordless Jump Rope Smart Counting Step Record Calorie Burning Calculation","imgUrl":"https:\/\/img.chinax.com\/nimg\/66\/ba\/41e6ea0b72b0eb981be7415f8df4-200x200-1.jpg","attrs":{"Price":"$4.7\/pieces 2-1999 pieces","Brand Name":"Rowgee","Model Number":"OK-168","Minimum Order Quantity":"1 pieces","Delivery Time":"7~10 days","Place of Origin":"Guangdong, China","Packaging Details":"color box, blister","Supply Ability":"50000 Piece\/Pieces per Month","Certification":"CE RoSH","Payment Terms":"T\/T","Rope":"3 m (Personal)","Handle":"205x25mm, PP","Gender":"Unisex","Smart Type":"Electronic, Digital","Loop counter":"up to 9999","Calorie burnt counter":"up to 999.9kcal","weight":"180g","Body weight setting":"CE, FCC","Exercise time setting":"1~60mintues","Rope Dimension":"20cm","Handle Dimension":"185*35*35mm","Battery":"CE, FCC","Color":"kid exercise","Port":"shenzhen"}}

{"cid":"91221064","title":"Gym 9m 38mm Battle Rope Weight Loss For Jumping Skipping","imgUrl":"https:\/\/img.chinax.com\/nimg\/d5\/78\/8b90ae31420ac7b79c4a3f29df53-200x200-1.jpg","attrs":{"Price":"customized","Brand Name":"YM","Model Number":"ONT-S40","Minimum Order Quantity":"100 pcs","Delivery Time":"5-8 work days","Certification":"CE,SGS,IOS","Place of Origin":"China Mainland","Payment Terms":"L\/C, T\/T","Supply Ability":"800 pieces\/month","Packaging Details":"CARTON PACKAGE","weights":"2.5kg,5kg,10kg,15kg,20kg,25kg,10kg,15kg,20kg,25kg,30kg,35kg,40kg,45kg,50kg,1kg,2kg,3kg,4kg,5kg,6kg,7kg,8kg,9kg,10kg,10kg,15kg,20kg,25kg,30kg,35kg,40kg,45kg,50kg,2kg,3kg,6kg,8kg,10kg","application":"universal","name":"rope","warranty":"3 years","function":"excrise","gender":"man and woman"}}