Bluetooth Smart Watch Men Women Phone For IOS Android Material: ABS Color: as the picture shows, (Due to the difference between different monitors, the picture may have slight color difference. please make sure you do not mind before ordering, Thank you!) (Please allow 1-3mm error due to manual measurement. please make sure you do not mind before ordering.) - You Can Wear It When Washing Hands, Taking Bath, But Don't Wear It When Swimming And Diving Under Water, Which Totally Meet Your Daily Needs EASY & QUICK TO CHARGE - The Comes With A Built-in USB Plug So That You Can Just Separate The From The Bands And Insert The Built-in USB Plug Into A USB Port For Charging SLEEP TRACKING - Automatically Track How Long And How Well You Sleep (deep Sleep, Light Sleep,wake Up Times) So That You Can Have A Understanding Of Your Sleep Quality SMARET WATCH FOR SPORTS - It Can Record Your Pressure , Heart Rate , Steps, Distance, Burned, Stopwatch, Sleep , Sedentary Alert, Remind Drink Water CONNECT WITH APP - Search FitPro Sports On App Store Or Scan The QR Code In The User Manual/picture To Download Our APP Which Supports Android 5.0 And Above, IOS 8 And Above For Smartphone Bluetooth 4.0