Which jews harp is best for a beginner?

TK30 "Song Hong" Dan Moi

TK30 "Song Hong" Dan Moi ' . L('index_recommended_all') . '
Vietnamese Dan Moi /
Oberton Pro Lab measurements:
Gaps: 30-60 µm (?)
Base frequency: 55-60 Hz (?)
Reed hardness: 200-250 gf (?)
Frame hardness: 500-1500 gf (?)
Reed size: 60x0 mm
Overall dimensions: 120x33x2 mm (?)
Weight: 20 g (70 g with case)
14 USD
Case included: yes
Compatible Cases and Other Accessories

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

best price
Heaviest dan moi with low bass sound. Sensitivity is low and the reed is hard so some force is required to hold it. Timbre is colorful and lot of special effects can be produced with breathing.