MCU

Goodix-GR5515,BLE5.1,1MB FLASH + 256KB RAM

IMU (acceleration + gyroscope)

STK8321

PPG heart rate sensor

PD70-01C-TR7

Screen Resolution

240*280

BLE

BLE5.1

BLE antenna module

Metal frame

Operating Voltage

3.8V

Battery capacity

260 mAh

Battery type

Lithium polymer battery

Charging method

Magneto-suction charging

Charging time

≤ 2.5 hours

Multi-language support

15 languages(China, English, German, Japanese, Spanish, Italian, French, Portuguese, Russian)

Basic functions

Clock, date display (24H)
Multi-dial OTA upgrade (Upgrade directly via the BLE connection app)

Daily activity monitoring

Heart rate (24-hour real-time heart rate monitoring)
Sleep (excluding short break): falling sleep time, wake up time, total sleep time.)
Steps (Monitor the number of steps per minute and record it every 10 minutes)
Calorie (Monitor calories per minute and record it every 10 minutes)
Distance (Monitor the distance per minute and record it every 10 minutes)

Sports functions

Outdoors walking
Indoor running
Outdoor riding
Hiking
Outdoor riding
Indoor running
Fitness
Elliptical Machine
Indoor bicycle
Stepper Machine
Rowing Machine

Autonomous measurement

Heart rate measurement (User self-measurement, single heart rate monitoring)

Notifications

Calling Notification (Incoming call received, an alert is displayed; You can hung it up by watch.)
SMS notification (The phone receives SMS message push anddisplay it to watch.)
App notification (Push notifications from other apps in watch by your choice)
Alarm reminder 
Stand-up reminder
Target reaching reminder
Low battery reminder
Heart rate too high alert

Other functions

Weather forecast
Stopwatch (The stopwatch is accurate to the nearest second (eg 59:59.99))
Music control
Sports record
Timer
Reset function
Firmware information

Gesture

Lift the wrist (Lift the wrist to automatically brighten)
lay down (Put down the automatic shut down screen)