Turn on the Wristband: Touch buttons are hidden in the time following. Long press the touch key 4 seconds to turn on the wristband</br>IP68 Waterproof bluetooth wristband: It is a new Bluetooth Smart bracelet which is compatible with all Bluetooth V3.0 or above enabled smartphones??such as iPhone 4S?? 5?? 5S?? 6?? 6S Plus?? Sumsung S3?? S4?? Note 2?? Note 3?? Note 4 etc.</br>Heart Rate Monitor: Measure your heart rate any time?? the same sensor with Iwatch</br>Pedometer: Display the real time step count?? record your daily exercise</br>Function: Palming bright screen?? date graph?? sync wristband date?? incoming calls?? sedentary reminder</br></br>Product Description</br></br><br>IP68 Waterproof Sport smart watch <br>The wristband contains magnatic component?? he who is installed"ave implanted electronic devices?? or metal?? please do not use it. <br>Please stop using it when any discomfort symptoms happen. <br>If use substandard charging power supply?? will shorten the battery life?? and even damage the battery. <br> <br> <br>Bracelet diameter is 17cm to 22cm. You can adjust the bracelet length according to your wrist. <br>To configure and sync it you'll need the HPlus Watch App?? which is available for iOS and Android smartphones. App download QR Code and address are in the instructions. <br> <br> <br> How to turn on/off wristband? <br>View the product picture first. Touch buttons are hidden in the time following. Long press the touch key 4 sec to turn on the wristband. <br>When power icon and "..." shows on t