Notice:
<br />1. Be compatible with Android ( OS 4.3 or above ); for iPhone ( iOS 8.0 or above )
<br />2. IP67 waterproof means that stepping depth doesn't exceed one meter and steeping time doesn't exceed 30 minutes
<br />3. Please search "H Band" at Apple Store or Android to download the App
<br />4. Filling up the bracelet takes about 1 hour
<br />Bluetooth Version: Bluetooth 4.0 
<br />People: Female table,Male table 
<br />Waterproof: Yes 
<br />Waterproof Rating : IP67 
<br />Screen: Yes 
<br />Screen type: OLED 
<br />Compatible OS: Android,IOS 
<br />Compatability: Android 4.3 / iOS 8.0 and above system 
<br />Language: English
<br />Battery Type: Lithium Polymer Battery 
<br />Battery Capacity: 90mAh 
<br />Power: Built-in Battery 
<br />Standby time: about 5 days
<br />Functions: Alarm Clock,Call reminder,Calories burned measuring,Date,Distance recording,Measurement of heart rate,Pedometer,Sedentary reminder,Sleep management,SMS Reminding
<br />Shape of the dial: Rectangle 
<br />Case material: ABS 
<br />Band material: TPU
<br />The dial thickness: 1 cm / 0.39 inch 
<br />The dial diameter: 1.8 cm / 0.71 inch 
<br />The band width: 1.6 cm / 0.63 inch 
<br />Wearable length: 15.5 - 22.5 cm / 6.1 - 8.86 inch 
<br />Package weight: 0.097 kg 
<br />Product size (L x W x H): 24.00 x 1.80 x 1.00 cm / 9.45 x 0.71 x 0.39 inches 
<br />Package size (L x W x H): 16.00 x 8.50 x 2.50 cm / 6.3 x 3.35 x 0.98 inches
<br />Package Contents: 1 x Smart Bracelet, 1 x English and Chinese User Manual, 1 x Charging Cable