does this product has other key? such as F G D. Thanks.

It is, from left to right, top row: G C E G C E G C E G C E. On bottom row it is, left to right: D C F E A G B C D E F G A C B E D G F C A E B. This is an incredible harmonica. The numbering system is strange to an American as it goes 5 2 1 4 3 6 5 7 1 2 3 4 5 6 1 7 3 2 5 4 1 6 3 7 but is an easy concept to pick up. I strongly recommend this over a Hohner.

How does the numbering order on this harmonica translate to others? There is no # 1 through whatever. It goes like this: 5 2 1 4 3 6 5 7 1 2 3 4 5 etc

The reason is complenary notes in that key to the selected note. You will notice this also works when you pull air in through that note.

It shows 2 color choices, hf and 24. Yet we don't see any color difference. Can someone explain the difference between the hf and 24?

I went to the page for the harmonica and there are three pictures, one color. You may be confused by the lighting??

What is the difference between a child's size and adult size ?

the childs size is smaller???? This harmonica has a very large range longer than what most would expect.

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Best Harmonica C Key 24 Holes Major Diatonic Double Tremolo Beginner Harmonicas for Sale Musical Instrument Accessories Black with Case

Best Harmonica C Key 24 Holes Major Diatonic Double Tremolo Beginner Harmonicas for Sale Musical Instrument Accessories Black with Case

Product ID: 305459904

Details

Brand
OIBTECH
Colour
Multi
Instrument Key
C
Material
Acrylonitrile
Style
Traditional

🎵24 Holes for rich, layered sound

🖤Sleek black satin finish

🛡️Phosphor bronze reeds resist corrosion

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¥14552

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Description

🎶 Own the stage with every note—play like you mean it!

BUILT TO LAST - Durable phosphor bronze reeds and stainless steel cover ensure long-lasting, stable performance without tiring your breath.
HYGIENIC SAFE - Crafted with food-grade ABS resin comb and waterproof materials for easy cleaning and worry-free play.
SLEEK STYLISH - Traditional shape with a polished black satin cover that looks as sharp as it sounds—stand out in every jam session.
MASTER YOUR MELODY - 24-hole major diatonic design delivers versatile, vibrant tones perfect for beginners and pros alike.
PEACE OF MIND INCLUDED - Backed by OIBTECH’s 2-year warranty and friendly customer support—because your music deserves reliability.

The OIBTECH Best Harmonica in key C features 24 holes for rich, double tremolo sound, housed in a sleek black satin finish. Made with corrosion-resistant phosphor bronze reeds and a food-grade ABS comb, it offers durability and hygiene for daily practice. Lightweight and portable with a protective case included, it’s perfect for beginners aiming to elevate their musical journey with confidence and style.

Specifications

ASIN	B071GYCCYY
Brand	OIBTECH
Brand Name	OIBTECH
Colour	Multi
Customer Reviews	4.5 out of 5 stars 312 Reviews
Finish Type	Polished
Included Components	Case
Instrument Key	C
Item Dimensions	17.7 x 2.9 x 2.3 Centimeters
Item Weight	0.3 Kilograms
Manufacturer	OIBTECH
Manufacturer Part Number	HF 24 Hole Key of C
Material	Acrylonitrile Butadiene Styrene, Bronze
Material Type	Acrylonitrile Butadiene Styrene, Bronze
Model Number	HF 24 Hole Key of C
Style	Traditional
UPC	615311158250

Reviews

M**E

Great Value!

21.02.2020

A**R

Ma favorite

Je suis toujours un débutant à l’harmonica. J’en possède 5 mais, celle-ci est ma favorite. J’adore tout simplement le son de cet harmonica, que j’utilise presque quotidiennement depuis 6 mois. Je la recommande à qui que ce soit qui veut se procurer une harmonica tremolo en C (Do)

31.08.2021

J**.

Good harmony

18.03.2019

A**L

Surprisingly good

7.04.2025

A**I

Awesome harmonica

3.04.2022

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