"Rain Sounds 2 Hours" A natural sound timer that improves concentration [BGM for work]
1:55:49
【ポモドーロ+静かなピアノ】勉強に集中するためのタイマー(study timer)
2:49:58
Listen to the rain on the forest path, relax, reduce anxiety, and sleep deeply
2:00:00
Study Music Alpha Waves: Relaxing Studying Music, Brain Power, Focus Concentration Music
2:00:04
氷水のASMRで集中!科学的に正しい集中方法【ポモドーロタイマー】【勉強用・作業用BGM】【作業効率の上がるBGM】
2:00:00
Crackling fire by the river | Crackling fire sounds | Nature sounds for sleeping
3:14:51
α波で集中力UP-雨の音3時間-Raining 3 hours Nature sounds
1:55:45
ゾーンに入るBGM アンビエント528HZの勉強に集中できる音楽タイマー
2:00:04