magnetic bracelet for back pain

{"cid":"91197454","title":"Pulsed Physiotherapy Electromagnetic Pemf Magnetic Therapy Device Bracelet Physio Magneto Machine","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/8b\/54\/4e5975b9ec4fb9b9ad21c36f068e-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Top Beauty","Model Number":"EM002-1","Minimum Order Quantity":"1 piece","Delivery Time":"5-8 days","Certification":"CE","Place of Origin":"China","Payment Terms":"Western Union, T\/T, T\/T, MoneyGram","Supply Ability":"10000pieces\/month","Packaging Details":"strong pacacking","Product name":"Pulsed Electromagnetic Field Super Transduction","Feature":"Degenerative joint diseases","Oscillation frequency":"3000Hz","Field strength at the coil":"4T","Performance of the field":"92T\/S","Application":"Pain treatment Chronic pain\/Chronic inflammation of tendons and joints","Function":"Pain treatment Chronic pain","Penetration depth":"18cm","Machine case":"metal"}}

{"cid":"91153361","title":"Holding Screws Magnetic Wrist Strap , Breathable Wrist Pain Bracelet","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/ae\/1f\/405b67586e3fce08b899a3af29ad-200x200-1.jpg","attrs":{"Price":"negotiation","Brand Name":"SZD","Model Number":"Magnetic Wrist Strap","Minimum Order Quantity":"Negotiation","Delivery Time":"10 working days after received your payment","Certification":"SGS","Place of Origin":"China","Payment Terms":"T\/T or PayPal,","Supply Ability":"10,000 pcs per day","Packaging Details":"Polybag then Packed in carton","Name":"Magnetic Wrist Strap","Application":"Holding Screws","Color":"Red","Standard Size":"90mm X 340mm","Feature":"Breathable"}}