F21 Smart Bracelet GPS Distance Fitness Activity Tracker IP68 Waterproof Blood Pressure Watch Sleep Monitor Smart Band Wristband
1. Heart rate monitoring, blood pressure monitoring, sleep monitoring, sedentary reminder, always pay attention to your health, and give yourself and your family a health guarantee.
2. Support female physiological period function reminder, even if the work is too busy, you are not afraid to forget.
3. Step, distance, calories, stopwatch, countdown, call reminder (caller number/name), message reminder, alarm reminder, anti-lost reminder, sedentary reminder, remote control photo, lift wrist bright screen, etc., Make your life easier.
4. IP68 deep waterproof, no fear of sweat, rain. It makes you feel at ease when you do exercise.
5. Support multi-language, Bluetooth 4.0
App operating system: for IOS8.0 or above,for Android4.4 or higher
- Gsencor sensor: KXTJ3-1057
- Master: nRF 52832
- Heart rate sensor: Yiguang PD70-01C-TR7
- Vibration reminder: motor vibration reminder
- Waterproof rating: IP68
- Display: 1.14″ 135*240 resolution TFT
- Bluetooth: BLE 4.0
- Strap material: silicone strap
- Host size: about 47*24*13mm/1.85*0.94*0.51inch
- Machine size: about 260*24*13mm/10.24*0.94*0.51inch
- Operation: single touch, lift the wrist screen will bright.
- Battery: polymer lithium ion battery
- Battery capacity: 100 mAh
- Standby time: 7-10 days
- Charging method: magnetic charging cable
- Charging time: about 2 hours
- Supported languages: Chinese, English, German, Russian, Japanese, French, Korean, Portuguese, Spanish, Italian, Persian, Vietnamese.