Which jews harp is best for a beginner?

TK191 "Phu Ninh" Jew's Harp

TK191 "Phu Ninh" Jew's Harp
Vietnamese Jew's Harps /
Oberton Pro Lab measurements:
Gaps: 70-150 µm (?)
Base frequency: 95-110 Hz (?)
Reed hardness: 130-200 gf (?)
Frame hardness: 600-900 gf (?)
Reed size: 65x20 mm
Overall dimensions: 110x55x3-6 mm (?)
Weight: 70 g
35 USD
Case included: woodblock (?)
Compatible Cases and Other Accessories

Shipping: from 3 USD (more...)
Stock: No (when will be in stock?)
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best price
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Low quality jaw harp with loud sound and dirty, mechanical timbre.