ble 5 0 bluetooth smart wristband

{"cid":"91170326","title":"Silicone Bluetooth Wristband Activity Monitors Fitness Tracker Device BLE 4.0","imgUrl":"https:\/\/img.chinax.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"}}

{"cid":"91222783","title":"1.43\" HD AMOLED, GPS sports fashion smartwatch S888 30 meters waterproof Compass","imgUrl":"https:\/\/img.chinax.com\/nimg\/f4\/db\/df65d399a58e666848665b98939c-200x200-1.jpg","attrs":{"Price":"USD 52 \/PC","Brand Name":"Rainbuvvy","Model Number":"S888","Minimum Order Quantity":"100 pcs","Delivery Time":"5-8 work days","Payment Terms":"L\/C, D\/A, D\/P, T\/T","Sensors":"Accelerometer, Gyroscope, Barometer, Compass","Raise To Wake":"Support","Screen Shape":"Round","Dynamic Heart Rate":"exercise heart rate curve, 3605","Life Time":"Use for 5-7days, standby for 30 days","Packaging Details":"12cm*8cm*5cm","Watch Size":"45.6*45.6*11.6mm","Place of Origin":"China","Charging Way":"Magnetic charging","Supply Ability":"100pcs per 5 days","Watch Weight":"100g","Waterproof Grade":"30M Waterproof","Certification":"CE,FCC"}}