Dfit D21 - Hplus Handleiding

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D21 Bluetooth Heart Rate Wristband Instruction

Product Specification

Chip model, nRF51822 nRF51822( Cortex M0 16MHz)

Memory, 256K

Acceleration sensor, Three-axis acceleration sensor

Heart rate sensor, Green light static heart rate sensor

Display, OLED 0.66’’ 64x48 Dots

Motor, Cylindrical vibration motor

Key-press, Touch key

Battery, 80mAh

Notice

The wristband contains magnatic component, he who is installed a pacemaker, or have implanted

electronic devices, or metal, please do not use it.

Please stop using it when any discomfort symptoms happen.

If use substandard charging power supply, will shorten the battery life, and even damage the

battery.

We reserve the right to modify the User Manual without any notification. It is normal condition if

some functions differs from different app versions.

We reserve all the right for the final explanation .

Turn on/off the Wristband

1.Long press the touch key for 4 seconds, users see the Welcome interface. It is touch key,

please do not press the key with strong pressure.

2.Short press the key to enter to the Device Management interface with power off icon at the

top-left corner. Then long press the touch key to turn off the wristband.

3.Long press to choose the function and short press to switch the functions.

Charging

Charger, voltage 5V, electric current 500MA-1000MA

Charging time, 30 minutes.

Connect the chrger with wristband as below.

Product specificaties