This sound is created from poping sound recorded by Sony IC recorder and apply Delay in Audacity:
Delay tipe: Bouncing ball
Delay level per echo: 0,5 dB
Delay time: 0,050
Pitch change effect: pitch/tempo
Pitch change per echo: 1,0%
Number of echoes: 30
This sound can also be used as effect in electronic music. 聲道:2 類型:wav game-sound、rpg-game、electronic-music、increment、enhancement、health、defense、attack、music-effect、increase、game、computer、magic 資料來源:freesound ( https://freesound.org )