Which jews harp is best for a beginner?

True Double Chinese jews harp

True Double Chinese jews harp
Chinese Kou-xiangs
Oberton Pro Lab measurements:
Gaps: 20000-30000 µm (?)
Base frequency: 60-80 Hz (?)
Reed hardness: 30-40 gf (?)
Frame hardness: 32767 gf (?)
Reed size: 90-100x15 mm
Overall dimensions: 120x55x3 mm (?)
Weight: 60 g
26 USD
Is case included: woodblock (?)
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Stock: Yes (2)

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An absurd parody of Jews harp. It makes a very quiet, primitive, sound that practically does not change with the actions of the player. Even the invention of the new form of the bend of the knee - "tear off the finger" - will not increase the chances of this "tool"...