Instruction Manual

◎Open Polar Beat → click on Settings → click on Heart Rate Sensor → select
RT-330C_LE device → after successful pairing → earbuds prompts "Calibrating, Please
keep still"
【In order to avoid personal injury or property damage to the user or others, please must
comply with the following described below.】
Warning
- Please keep out of reach of young children and children to avoid accidental
ingestion of earplugs.
- When using outdoors, please pay attention to the surrounding traffic
conditions, otherwise it may lead to traffic accidents, etc.
- Please do not use the headset when using transportation, otherwise it will
lead to traffic accidents, etc.
- Do not apply strong impact or throwing, otherwise it will lead to fire, burns or
injuries.
- Do not disassemble or modify it, otherwise it will lead to failure, heat, fire or
electric shock.
- This product contains built-in lithium battery, please do not put it into the fire,
and do not heat; please do not charge, place and use in high temperature,
otherwise it will lead to failure, heat, electric shock and fire.
- Do not use bad quality USB cable / plug, do not use when not safe for
electricity. Otherwise, it will lead to heat and fire.
- Do not touch the product with corrosive liquid, otherwise it will cause serious
damage to the product, and the manufacturer will not warranty the resulting
damage.
Caution
1. Because the headset is in direct contact with the skin, if the wearing process,
feel abnormal. Please immediately stop using, replace the earplugs.
2. When the earbuds are used without being fully installed, they may fall off
and stay in the ear. Therefore, please confirm that the earplugs are properly
installed before use.
3. If the earplugs fall out in your ears, do not remove them without permission
and seek immediate medical attention.