Notes
1. The red light flashes when the power is turned on, indicating that the battery is low.
2. Once the heart rate is detected, the LED lights will indicate different heart rate zones through different colors.
Heart Rate Zone*
Training Intensity%
%MHR
%HRR
<Z1 Daily Life
~50
~55
Z1 Warm Up
50~60
55~60
Z2 Fat Burn
60~70
60~65
Z3 Aerobic
70~80
65~75
Z4 Anaerobic
80~90
75~85
Z5 Maximum E ort
90~
85~
* The sensor will define your heart rate zone according to the age and Maximum Heart Rate (%MHR) or Heart Rate Reserve
(%HRR) input in Ala Connect.
3. You can transfer the recorded data to Ala Connect via Bluetooth
changed on Ala Connect to the sensor. Once the synchronization is completed, press the button to turn off.
4. The sensor will automatically turn off for power saving after 10 minutes of no action or connection.
5. Press and hold the button for more than 8 seconds at any time/mode will restarted the sensor (with white light on
indicating synchronization mode). If you would like to record an exercise, please turn it off with a single press,
and then press and hold until the red light is on.
SPECIFICATIONS
• Model: OB001
• Dimension: L48×W31.5×D12.5mm
• Armband: See package for size L 380×25mm or M 260×25mm
• Weight: 13g (armband excluded)
• IP rating: IPX7
• Memory capacity: Up to 25 of hours training. (Single recording le up to 13 hours)
• Operating temperature: -10~60°C (-14~140°F)
• Charge temperature: 10~45°C (50~113°F)
• Wireless transmission interface: Bluetooth®, ANT+
• Wireless transmission frequency: 2.402~2.480 GHz
• Battery: rechargeable lithium battery
• Input voltage: 5V
• Run time: 40 consecutive hours (max.)
• In the box: Sensor, Armband, Charging dock, GPT instruction card,
Operation guide.
LED
Training Functions
Indicator
Blue
Aqua
Facilitate warm-up and energy recovery
Green
Improve metabolism
Yellow
Enhance aerobic fitness
Orange
Increase speed and lactate threshold
Red
Anaerobic. Sprinting pace; unsustainable for a long
period of time
wireless technology. Or syncing the settings you
®