Warm Tips:
<br />This product do not need a charger cable, by USB interface charge. Please pay attention to the direction of the interface, make sure to insert it correctly. If you can not charge, please try to insert another direction, thank you! 
<br />
<br />Features:
<br />1. Heart Rate Monitor and Blood Pressure, Blood Oxygen Monitor
<br />2. Smart Remind Contain, Callings, SMS, APP Remind
<br />3. Weather show
<br />4. Top Confortable Operating Feeling
<br />5. Comfortable Material For Skin, Use for Art
<br />6. Charge by USB ports. No need charge cable.
<br />7. Support IOS and Android Smart Phone ( Android 4.4 and iOS 8.0 or above ) 
<br />
<br />Specifications:
<br />> Display Type: 0.86" OLED Screen
<br />> Heart Rate Sensor Type:  Photoelectric Heart Rate Sensor 
<br />> G-Sensor: Six-Axis Acceleration
<br />> Bluetooth: Bluetooth 4.0BLE
<br />> Battery: 60mAH Polymer Battery Capacity
<br />> Standby Time: 3-5 Days
<br />> Compatibility
<br />Android Compatibility: Android 4.4 or above
<br />iOS Compatibility: iOS 8.0 and above
<br />
<br />> Smart Band Colors: Black, Blue, Red
<br />> Watch Frame Material: Metal
<br />> Watch Strap Material: PC Plastic + Silicone
<br />> Long * Weight: 19.8 * 67mm
<br />> Waterproof Level: IP67 Waterproof
<br />
<br />Functions:
<br />Phone Call and SMS, Incoming Call Reminder, SMS Reminder, APP Reminder, 
<br />Blood Pressure, Blood Oxygen, Fatigue Value Monitoring, Pedometer, Sedentary Remind, Alarm Clock
<br />
<br />Package content:
<br />1 x Smart bracelet (Charge by a USB port, no need charger cable, thank you!
<br />1 x User Manual