IP67 Waterproof 0.96 Inch TFT Screen Display BY21S Smart Watch Heart Rate & Sleep Black

Features:
1.Stylish 0.96 inch TFT Screen Design: Fitness tracker with screen,you can see the screen clearly in the sun or in the dark.Cool design and double- Strap suitable for everyone.
2. Heart Rate Sleep : Check your heart rate automatically to help you do exercise scientifically.Sleep 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 , 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.

Specifications:
Model: BY21S
Bluetooth : BLE 4.1
Ram: 64K
Rom: 512K
Chipset: nrf52832
Resolution: 160*80
Capacity: 80mAh
Charging Time: 1 Hour
Working Time: 5-7 Days
Standby Time: 10 Days
Strap : Black, Blue, Brown
Display: 0.96 inch TFT 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 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, , Oxygen Monitoring, Sleep , , Distance Analysis, Calories, Hand Raise Light Up, Sedentary Reminder, IP67 Waterproof, Remote Camera, Messages, Calls Reminder, Find the Phone,etc.

Package Included:
1x BY21S Smart Bracelet
1x Charging Cable
1x User Manual









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