1. SMS, information, call reminders.

2. Bluetooth synchronization.

3. Data synchronization does not require a cable.

4. Remote camera, take photos by phone through the remote control of the bracelet.

5. Activity tracker, record your daily activity: steps, distance, time, calories; check and share your data at any time.

6. Anti-lost, the bracelet will remind you with vibration when your phone is within 5m of you.

7. When Bluetooth disconnects or the phone is out of Bluetooth distance, the watch will alert you.

8. Sleep monitor, check the Sleep Trends table to see your sleep time and quality.

9. Sedentary reminder, install it to remind you to walk or exercise after a long time sitting.

10. IP67 waterproof, water smart bracelet (not for swimming or taking a shower).

11 ! Blood Pressure, Spo2, Heart Rate Monitor

12, USB charging cable




Device model: M4 heart rate bracelet

Bluetooth: 4.0

Battery: 90 mA Li-ion Polymer

Charging time: 2 hours use time: about 7 days standby time: about 15 days

Waterproof: life waterproof

Compatible System: For IOS8.0 and above, for Android 4.4 and above

Synchronization range: 3m (theoretical range is 10m without interference)

Main functions: heart rate monitoring, step count, calorie burn, distance, RTC display, automatic sleep monitoring, call reminder, information prompt, alarm reminder, anti-lost, remote control, etc.

Waterproof and dustproof: sweatproof … splashproof

Screen size: 0.96 inch

Screen type: TFT

Connection parameters: Bluetooth 4.0 low power sync

Other parameters: TPU material appearance

Product net weight: 22g

Product color: black, blue, red

Other features: Touch screen: full touch screen

Control Mode: Button Switch

Data storage: record 7 days of detailed exercise data

Battery type: Polymer lithium battery

Charging method: USB charging cable