HiFiAir User Manual

HiFiAir User Manual


Take earbuds out from charging box simultaneously, see only 1 earbud’s indicators flashing while the earbuds has completed the self-connection between themselves. Search FiiTii_HiFiAir on phone, click to connect.

operation Guide-02

Touch control

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PS: The HiFiAir will automatically shut off if not be connected to a device after 10 minutes.                   

How to reset

1. Under disconnected, tap 5 times separately to power off.
2. Press for 10 sec separately to reset settings after you hear the notice.
operation Guide-04
PS : If single side doesn’t work or earbuds are under abnormal condition, please follow the steps to figure out whether earbuds work as ever.

The LED on the charging case

The battery indicator will light up for 3sec when earbuds are inserted into the charging case.
operation Guide-05

Warning and recommendation

Please read this operation guide in details for product safety and correct usage.

① Loud sounds may cause hearing loss. Maintain a safe listening volume and duration. Consult your physician to understand the appropriate volume and duration to avoid hearing loss.

② Please use earbuds and their different functions under proper and safe environment to avoid safety issues.   

③ For better and stable connection, please don’t use the earbuds under heavy electromagnetic interference or signal interference environment.

④ Do not use this product while operating a vehicle or heavy machinery.

⑤ Keep out of reach of children.

⑥ Not rated for use in dishwasher, laundry machine, or other cleaning devices.

⑦ If ear pain or discomfort results from the use of this product, please stop using and immediately consult a physician.

⑧ Do not store at temperatures below -15 degree C (5 degrees F) or above 55 degrees C (131 degrees F).

⑨ Please clean the charging touch point and speaker driver net regularly to avoid charging problem, diminishing audio caused by grime and earwax build up.

FCC Compliance Statement

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

– Reorient or relocate the receiving antenna.
– Increase the separation between the equipment and receiver.
– Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
– Consult the dealer or an experienced radio/TV technician for help.

Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.