Yes, it is only reliable for kids greater than 6 months. I use the Microtymp3 and I also have the Otowave 102. I like the Microtymp 3 because it is fast. They do not make it anymore though. I only purchased the Otowave because I needed a backup in case the Microtymp does not work anymore.

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Raj
From (mostly) sunny Port St Lucie, florida