HAKII FIT True Wireless Earbuds Manual


Product Overview

Ready to Use

The earbuds will turn on and enter pairing mode automatically, even when you remove the right and left units from the charging case.


Turn on Bluetooth function on your device and select HAKII FIT referring to your phone instructions.


If the earbuds disconnected from each other, or only one earbud can be connected, please try the following method to reset the earbuds:

  1. Disconnect from cellphone, and delete pairing history
  2. Take the earbuds out of the charging case
  3. When the lights of the earbuds flashing rapidly, double tap on both earbuds
  4. The lights of the earbuds will stay on for a few seconds, and then one light will turn off, the other will be flashing. When the light is flashing, connect the earbuds to the cell phone.



Put the one of earbuds into charging case to use as a mono wireless headphone.



Double-tap the touch panel on the left or right unit to activate Siri*.

* Currently available for Siri and some Android built-in voice assistant.


  • The earbuds and the charging case each have a built-in rechargeable battery. We recommend using the supplied USB cable and a compatible standard USB power supply for charging the headphones.
  • The over-rating power supply would damage the built-in battery.
  • A complete charging cycle of the earphones takes about 1.5 hours and the charging case takes about 2 hours. Please fully charge the earbuds and case before using it.
  • The life of the built-in rechargeable battery drops with repeated charging. It is normal for all types of rechargeable batteries.


  • Model: HAKII FIT
  • Wireless Version:5.0
  • Codecs: SBC, aptX
  • Dynamic driver: φ6mm
  • Frequency response: 20 Hz - 20 kHz
  • Earbud battery capacity: 60mAh
  • Battery Case Capacity: 500mAh
  • Weight: earbuds 5.2g×2, case 75g


  1. Please follow the instructions in this manual.
  2. Please use and store this product in the ambient temperature environment.
  3. Do not use this product near the heat source, such as a radiator, a hot air conditioner, a stove, or other instruments that produce heat.
  4. Don't block the ports of the headset, such as charging indicator and microphone, etc..
  5. Please don't adjust the volume to the maximum level for a long time to avoid causing dizziness or damage to hearing.
  6. No matter the product is damaged for any reason, it must be dealt with in time with the after-sale personnel of us. Any unauthorized demolition and modification will make the warranty invalid.


Contains small parts which may be a choking hazard. Not suitable for children under age 3.

This product contains magnetic material. Consult your physician on whether this might affect your implantable medical device.

  • 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, CCC).
  • Do not expose products containing batteries to excessive heat (e.g. from storage in direct sunlight, fire or the like).
  • Wipe off sweat from the earbuds and the charging case before charging.

HAKII hereby declares that this product is in compliance with the essential requirements and other relevant provisions of Directive 2014/53/EU and all other applicable EU directive requirements.

For Europe:

Frequency band of operation 2400 to 2483.5 MHz:

  • Bluetooth: Maximum transmit power less than 20 dBm EIRP.
  • Bluetooth Low Energy: Maximum power spectral density less than 10 dBm/MHz EIRP. DON'T attempt to remove the rechargeable lithium-ion battery from this product. Contact your local HAKII retailer or other qualified professional for removal.

Please dispose of used batteries properly, following local regulations. Do not incinerate.

This symbol means the product must not be discarded as household waste, and should be delivered to an appropriate collection facility for recycling. Proper disposal and recycling helps protect natural resources, human health and the environment. For more information on disposal and recycling of this product, contact your local municipality, disposal service, or the shop where you bought this product.


HAKII offers ONE (1) year warranty on all HAKII® products from the date of original purchase. The products should be purchased either from HAKII owned retail store or HAKII authorized dealers. Proof of purchase is needed to prove the product is purchased from HAKII authorized sales channels. HAKII offer free repair or replacement service during the warranty period.


  1. Defects that cause by not following the products user manual, or using the parts that are not made or authorized by HAKII, or using the pirated software.
  2. Defects that caused by disassembling the products by any unauthorized maintenance center or person.
  3. Defects that caused by accident or any force majeure event, such as fire, water, external extrusion force or drop, lightning, earthquake, typhoon, etc.
  4. Deterioration of the components or the parts used on products, the nature of which is to become worn or depleted with use, such as headphone ear pads, silicon ear tips, batteries, etc.
  5. Fake commodities are not covered by the warranty.
  6. For unspecified terms, refer to the local laws and regulations where the sales stores and dealers located.

To claim repairs under warranty, please contact the dealers or retailers where the relevant product is purchased. To validate your warranty, you will need to provide the original sales invoice or other proof of ownership and date of purchase.