Which jews harp is best for a beginner?

TK961 "Toroen Prong" Jew's Harp

TK961 "Toroen Prong" Jew's Harp
Vietnamese Jew's Harps /
Oberton Pro Lab measurements:
Gaps: 150-300 µm (?)
Base frequency: 80-90 Hz (?)
Reed hardness: 120-150 gf (?)
Frame hardness: 300-800 gf (?)
Reed size: 65x20-25 mm
Overall dimensions: 75x40x3 mm (?)
Weight: 40 g (120 g with case)
38 USD
Case included: yes
Compatible Cases and Other Accessories

Shipping: from 3 USD (more...)
Stock: Yes (5)

best price
warranty
Low quality jaw harp with loud sound and dirty, mechanical timbre.