Product model F21
App operating system IOS8.0 or above, Android4.4 or above
The main function:
Heart rate monitoring, blood pressure, pedometer, distance, calories, sleep monitoring, stopwatch, countdown, call
Reminder (caller number / name), information reminder, alarm reminder, anti-lost reminder, sedentary reminder,
Reminders for female physiology, remote photo taking, wrist-up and bright screen etc.
Gsencor sensor: KXTJ3-1057
Master: nRF 52832
Heart rate sensor Everlight PD70-01C-TR7
Vibration reminder: Motor vibration reminder
Waterproof level: IP68
Supported languages: Simplified Chinese, Traditional Chinese, English, German, Russian, Japanese, French, Korean, Portuguese, Spanish
Chinese, Italian, Persian, Vietnamese
Appearance size: 154 * 88 * 31MM
Type: TFT
Connection method: Bluetooth BLE 4.0
Strap material: silicone strap
Size: Host: 47 * 24 * 13mm
Whole machine: 260 * 24 * 13mm
Product weight: 30g
Color: black gray, black red, black green
Other operations: single touch, lift wrist to brighten the screen
Battery: polymer lithium ion battery
Battery capacity: 100 mAh
Standby time: 7-10 days
Charging method: magnetic charging cable

Charging time: about 2 hours