Which jews harp is best for a beginner?

TK288 "Yen Lap" Jew's Harp

TK288 "Yen Lap" Jew's Harp
Vietnamese Jew's Harps /
Oberton Pro Lab measurements:
Gaps: 70-150 µm (?)
Base frequency: 85-100 Hz (?)
Reed hardness: 110-150 gf (?)
Frame hardness: 500-800 gf (?)
Reed size: 65x20-25 mm
Overall dimensions: 110x65x3-7 mm (?)
Weight: 80-100 g (160-200 g with case)
29 USD
Is case included: yes
Compatible Cases and Other Accessories

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