bt4 0 ble heart rate smart wristband

{"cid":"91199414","title":"Body Temperature Monitoring Smartwatch Wrist Band Music Sport Heart Rate Wristband Fitness Smart Watch","imgUrl":"https:\/\/img.ismap.com\/nimg\/8c\/cc\/2b41cd2241c602266c1aa86fb8d1-200x200-1.jpg","attrs":{"Price":"USD","Brand Name":"Glomarket","Model Number":"WR0003","Minimum Order Quantity":"1 Pieces","Delivery Time":"Bulk Order 30 Days","Certification":"CE, RoHS","Place of Origin":"China","Supply Ability":"90000 Pieces each Month","Packaging Details":"Color Box Packaging"}}

{"cid":"91170326","title":"Silicone Bluetooth Wristband Activity Monitors Fitness Tracker Device BLE 4.0","imgUrl":"https:\/\/img.ismap.com\/nimg\/c1\/cc\/060808032375189578e66cf92612-200x200-1.jpg","attrs":{"Price":"Negotiation","Model Number":"LWD-B005","Minimum Order Quantity":"Negotiation","Delivery Time":"30days","Certification":"CE,Rohs","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union,PayPal","Supply Ability":"10,000pcs per month","Packaging Details":"Color box,60pcs\/carton,carton size:34x28x30cm,G.W.8.0KG","Material":"ABS & PC for main device, TPU for Bracelet, Stainless Steel for heart rate inductive panel","Bluetooth":"4.0 BLE","Display":"0.91\u2019\u2019 OLED with touch screen","Battery":"90mAh Lithium polymer rechargeable battery","Color":"Red,Grey,Black","Sensor":"Bosch 3D acceleration sensor"}}