Smart bracelets pass international FC, CE, ROHS, environmental certification, global quality
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. Pedometer,Step Traker, 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
Product model: F21 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.