HifiAir2 User Manual

HifiAir 2 User Manual


Take earbuds out from charging box simultaneously, the earbuds are automatically paired, and search for the pairing name HiFiAir on the Bluetooth interface of the mobile phone.

Click to connect.


Touch control

PS : The earbuds will automatically turn off if it’s not connected to a device for 10 minutes.

How to reset

Please operate follow below 4 steps to reset:

Step 1.Disconnect the earbuds with your bluetooth devices.

Step 2. Tap each earbud 5 times separately to power off, when succecced, the earbud’s LED light will be off, at the same time you will hear a prompt”power off “.

Step 3. Hold each earbud for about 10-12S till you see both earbuds’ LED light off,at the  same time you will hear a prompt”power off “.

Step 4. Put the earbuds into the charging box, then get them out, if you see both the earbuds’ LED light is flashing, later only one earbud led light flash,means reset is successful.

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


When earbuds on charging, the case’s led will be on for 3S, then off. 

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 safely listening volume and duration. Consult your physician to understand the appropriate volume and duration to avoid hearing loss. 

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

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

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

⑤Keep out of reach of children.

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

⑦ If ear pain or discomfort resulted 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). 

⑨Please 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 reponsible for compliance could void the user’s authority to operate the equipment.

The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.