Use Instructions
Safety warnings
• Use caution and follow applicable laws regarding mobile phone and earphone use if using the
earphone for phone calls while driving. Some jurisdictions impose specific limitations, such as
single earpiece configuration, on the use of such products while driving. DON’T use the earphone
for any other purpose while driving.
• Focus on your safety and that of others if you use the earphone while engaging in any activity
requiring your attention, e.g., while riding a bicycle or walking in or near traffic, a construction
site or railroad, etc. Remove the earphone or adjust your volume to ensure you can hear
surrounding sounds, including alarms and warning signals.
• Remove earphone immediately if you experience a warming sensation or loss of audio.
• Do NOT use the earphone if they emit any loud unusual noise. If this happens, turn the earphone
off and contact HelloEar customer service.
• Do NOT submerge or expose the earphone for extended period to water, or wear while
participating in water sports, e.g., swimming, waterskiing, surfing, etc.
• Do NOT use mobile phone adapters to connect earphone to airplane seat jacks, as this could
result in injury or property damage due to overheating.
• Do NOT make unauthorized alterations to this product.
• Use this product only with an agency approved power supply which meets local regulatory
requirements (e.g., UL, CSA, VDE, and CCC).
• Do NOT expose products containing batteries to excessive heat (e.g. from storage in direct
sunlight, fire or the like).
• Do NOT share your HelloEar Arc earbuds with anyone else, they are custom made only for your
ears.
• Do NOT force the earbud into your ear canal. Consult a doctor without delay if you experience
any unusual pain in your ear.
Hearing protection
• Do NOT use the earphone at a high volume for any extended period.
–To avoid hearing damage, use your earphone at a comfortable, moderate volume level.
–Turn the volume down on your device before placing the earphone in your ears, then turn the
volume up gradually until you reach a comfortable listening level.
–Consult a doctor without delay if you experience any unusual pain in your ear.
Charging and battery
• Use this product only with an agency approved power supply which meets local regulatory
requirements (e.g., UL, CSA, VDE, and CCC).
• Before charging, be sure the earphone is at room temperature, between 41°F (5°C) and 104°F
(40°C). Extreme temperatures can reduce the charging capacity of the battery.
• If you are storing the earphone for more than a few months, fully charge the battery every two
