Bluetooth 4.0 smart electronic Bracelet Pedometer Calories Monitoring Sleep Tracking Silicone Wristband for iPhone Samsung

1,the first smartphone with OLED screen ring steps, calories burned , sleep tracking and clock , at a glance ; 2, the host comes with a standard USB port , can be directly charged to the computer, mobile power 3, IP67 protection class , with good waterproof performance , swimming, rain, when they do not wash their hands off ; 4 , with a silent vibration mode will be quiet in the morning you wake up from sleep . 5 , weighs just 18 grams , after wearing ignore its existence ; 6 , taken Bluetooth 4.0 wireless synchronization with mobile data terminal , USB port and a standard PC terminal to synchronize data . Computers, smart phones double ensure data synchronization ; via Bluetooth 4.0 technology , the system can automatically synchronize data with your smartphone IOS6.0 above and some android ( Andrews ) . 7 , easy to upgrade , exciting features continue to increase in Technical parameters: 1 , the basic parameters ( 1 ) Dimensions : 69.1mm X 15.8mm X 11.2mm Weight: 18 g ( without packaging ) ( 2 ) Material: Host Material ABS; wristband Material : TPU ( 3 ) Color: gray , rosy red, sapphire blue , etc. ( 4 ) the host USB port Mating cycles : > 1000 ( 5 ) Key life: > 10000 ( 6 ) Strap Mount : > 2000 ( 7 ) Three anti Level : IP67 ( 8 ) Operating temperature : -20 ° C ~ +45 ° C ( Celsius ) , Storage temperature : -40 ° C ~ +45 ° 2, the hardware specifications : ( 1 ) Battery: lithium polymer battery ( 2 ) Charging method: standard USB charging ( 3 ) Display Specifications : OLED screen ( 4 ) Standby time :> 72H Bluetooth standard:4.0ERD Color: Black,Red