bluetooth : BLE 4.1
Battery Capacity: 80mAh
Charging Time: 1 Hour
Working Time: 5-7 Days
Standby Time: 10 Days
Strap Color: Black, Blue, Brown
Display: 0.96 inch TFT Color Screen
Compatibility: Android 4.2 and IOS 8.0 or Above
Item Size: 252x19x10mm(Total Length x Host Length x Thickness)
Waterproof: IP67 (Hand washing,rain,Swimming and other daily life in the water can be normal operation.Do not worry about the delay of data collection.)
APP Language: Simplified Chinese, Traditional Chinese, English, Japanese, Spanish, German, Italian, French, Russian, etc.
Main Functions: Heart Rate, Blood Pressure, Blood Oxygen Monitoring, Sleep Monitor, Pedometer, Distance Analysis, Calories, Hand Raise Light Up, Sedentary Reminder, IP67 Waterproof, Remote Camera, Messages, Calls Reminder, Find the Phone,etc.
1.Stylish & 0.96 inch TFT Color Screen Design: Fitness tracker with color screen,you can see the screen clearly in the sun or in the dark.Cool design and double-color Strap suitable for everyone.
2. Heart Rate & Sleep Monitor: Check your heart rate automatically to help you do exercise scientifically.Sleep Monitor automatically tracks your sleep duration and sleep quality.
3. Notification Remind: Intelligent notification be clear at a glance, convenient and timely access to telephone, SMS, and all kinds of social information. You will never miss a call or message.Sedentary reminder, remind you to leave the seat for just the right amount of exercise.
4. Unique Design: Featuring a sleek, modern look, versatility, broad compatibility, lightweight, adjustable wrist strap. It can be used as fitness tracker, health tracker.
5. IP67 Waterproof: You can wear it when washing hands,taking bath and swimming but not more than 3 meter deep.
6. Wide Compatibility: Supports bluetooth 4.1, compatible IOS8.0 and Android4.2 or above systems.
1x BY21S Smart Bracelet
1x Charging Cable
1x User Manual