# Elements

- [NFT Microphones](/singsing/platform/deprecated/sing-and-earn-deprecated/elements/nft-microphones.md)
- [Microphone Attributes](/singsing/platform/deprecated/sing-and-earn-deprecated/elements/microphone-attributes.md)
- [Microphone Levels](/singsing/platform/deprecated/sing-and-earn-deprecated/elements/microphone-levels.md)
- [Microphone Fusion](/singsing/platform/deprecated/sing-and-earn-deprecated/elements/microphone-fusion.md): With our latest feature, "Microphone Fusion," users can now fuse three microphones of the same tier to create a higher tier microphone.
- [Microphone Minting](/singsing/platform/deprecated/sing-and-earn-deprecated/elements/microphone-minting.md)
- [NFT Cooldown](/singsing/platform/deprecated/sing-and-earn-deprecated/elements/nft-cooldown.md): As we plan to enhance the system for greater transparency (September 2023), the cooldown system requires an update. Please refer to the details in the table below.
- [Energy Mechanics](/singsing/platform/deprecated/sing-and-earn-deprecated/elements/energy-mechanics.md)
- [Single Song Record Cap](/singsing/platform/deprecated/sing-and-earn-deprecated/elements/single-song-record-cap.md)
- [Reward Mechanics](/singsing/platform/deprecated/sing-and-earn-deprecated/elements/reward-mechanics.md): Removed Microphone’s Durability Earn