BellyBuds Speaker for the baby. Is it worth it?

Hello, Ladies! I'm just wondering if anyone of you tried this BellyBuds for baby? I'm 18wks pregnant and I used to play classical music at night with my 2 previous pregnancy before. Now i can't play classical music the whole night because I don't want to disturb my in laws with noise. So I'm considering to buy this BellyBuds speaker so I can play music to my everywhere. You think this is worth it? Any advice ladies? Thanks in advance! :)

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