sleep tracker rings curved lipo battery

{"cid":"91221281","title":"UNM150725 3.7V 15mAh Curved Lithium Polymer Battery For Sleep Tracker Rings","imgUrl":"https:\/\/img.chinax.com\/nimg\/95\/3a\/93a54ce663247b7dbf9ddd511cd2-200x200-1.jpg","attrs":{"Price":"1-2.5USD\/PCS","Brand Name":"UNEMETECH","Model Number":"UNM150725","Minimum Order Quantity":"500PCS","Delivery Time":"3-30 days","Certification":"UN38.3, MSDS, CE, CB, IEC62133, PSE, KC, UL1642...","Place of Origin":"Guangdong, China","Payment Terms":"T\/T , WorldFirst , Payoneer , PingPong , Paypal , Alipay , Western Union , ...","Supply Ability":"20,000.00 Pieces Per Day","Packaging Details":"Inner Tray + Inner Box + Outer Carton","Battery Type":"Curved Lithium Polymer Battery","Nominal Voltage":"3.7V\/3.8V","Nominal Capacity":"15mAh","Charge Ending Voltage":"4.2V","Discharge Ending Voltage":"3.0V","Max Charge\/Discharge Current":"1.0C(15mA)","Operating Temperature":"Charge: 0-45\u2103 \/ Discharge: -20-60\u2103","Maximum Cell Dimension":"T:1.5mm W:7.0mm L:25.0mm"}}

{"cid":"91218621","title":"Heart Rate Monitor Bluetooth Fitness Health Tracking Smart Ring Blood Oxygen Sleeping Monitor Ring","imgUrl":"https:\/\/img.chinax.com\/nimg\/ab\/56\/a4df8aaa4cb3701b17ba3aaace59-200x200-1.jpg","attrs":{"Price":"69~99","Brand Name":"OEM or Your Brand","Model Number":"RING-01","Minimum Order Quantity":"500","Delivery Time":"25-65 Days","Certification":"UL\/CE\/CCC\/ISO","Place of Origin":"SHENZHEN","Payment Terms":"L\/C, D\/A, D\/P, T\/T","Supply Ability":"100000 Sets\/month","Packaging Details":"Custom Your Idea or Neutral Package"}}

{"cid":"91215941","title":"Kaliho Heart Rate Sleep Monitor Fitness Tracker Health Smart Ring R12","imgUrl":"https:\/\/img.chinax.com\/nimg\/79\/a7\/8192836de514fe4b4bc4018f57c5-200x200-1.jpg","attrs":{"Price":"$12-$22\/pcs","Brand Name":"KALIHO\/OEM","Model Number":"R12","Minimum Order Quantity":"3000","Delivery Time":"5 days--30 days","Certification":"CE ROHS","Place of Origin":"CHINA","Payment Terms":"T\/T. Paypal. Western union. LC","Supply Ability":"500,000pcs\/Month","Packaging Details":"100PCS\/CTN, 15.5KG\/CTN, 0.055CBM\/CTN","Name":"Waterproof Smart Ring R12","Memory":"ROM 4MB+RAM64KB","Battery":"15mAh","Working Time":"3-5days","Multi-Sports mode":"YES","Blood Oxygen":"YES"}}