# Headphones

Headphones are available on the in-app marketplace and is the prerequisite for starting a move-and-listen-to-earn session. But rest assured all registered users can get a pair of base headphones for free.

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{% tab title="Metrics" %}
**Property** - all headphones have these property points 

* Quality - impacts $HUT generation
* Sensitivity - determines level of luck 
* Comfort - impacts $HBK generation
* Endurance - affects battery depletion speed

**Variety** - each headphone has one of these trait that corresponds to a few unique music genres

* Electric - Electric / House 
* Water - Jazz / R\&B / Classical
* Fire - Hip-hop
* Gold - All genres

**Rarity** - the higher the pitch, the better

* Dope
* Rebel
* Mirage
* Fantom
* Soul
* Legendary
* Titan

**Level** - only opens up to 15 at this stage

**Type** - defines headphone's restriction and value

* **Base headphone** 

  every registered user will be given a free pair of "Base" type headphone with "Dope" rarity to begin their M2E journey with below restrictions:

  * Can not withdraw to on-chain wallet until remixing to "Rebel" or above
  * Can not mint new headphones until remixing to "Rebel" or above
  * All four properties start with value 1 

* **Regular headphone**
  * No restrictions in M2E gamification

* **Genesis headphone**
  * Can only be obtained from whitelist or certain roles from Hibiki Run community rewards
  * No restrictions in M2E gamification
  * A unique identifier "G" can be seen in headphone details 
    {% endtab %}

{% tab title="Actions" %}
**Mint** - with 2 headphones, users can sort of "breed" a Gashapon from which a new headphone is born

**Level up** - spend tokens to gain extra property points and increase daily token generation limit

**Charge** - each m2e session costs headphone's battery and you don't want it running out of juice

**Remix** - one way of getting a higher rarity headphone is by merging a lower rarity one with Omamori 

**Fuse** - **\[In future release]** PFP NFT and headphone NFT fusion can be done naturally to mint a new PFP headphone NFT.

**Wear** - Omamori is soulbound, hence wearing it will trigger a countdown in its lifespan
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