---
product_id: 629874583
title: "Exerciser Device Muscle Training, Fitness Trainer with Adjustable Resistance Settings, Exerciser Muscle Trainer for Adults"
brand: "querafja"
price: "A$16"
currency: AUD
in_stock: true
reviews_count: 13
category: "Querafja"
url: https://www.desertcart.com.au/products/629874583-exerciser-device-muscle-training-fitness-trainer-with-adjustable-resistance-settings
store_origin: AU
region: Australia
---

# Adjustable resistance levels Compact & portable design Ultra-flexible silicone for comfort Exerciser Device Muscle Training, Fitness Trainer with Adjustable Resistance Settings, Exerciser Muscle Trainer for Adults

**Brand:** querafja
**Price:** A$16
**Availability:** ✅ In Stock

## Summary

> 🔥 Elevate your muscle game with precision resistance! ⚙️

## Quick Answers

- **What is this?** Exerciser Device Muscle Training, Fitness Trainer with Adjustable Resistance Settings, Exerciser Muscle Trainer for Adults by querafja
- **How much does it cost?** A$16 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/629874583-exerciser-device-muscle-training-fitness-trainer-with-adjustable-resistance-settings)

## Best For

- querafja enthusiasts

## Why This Product

- Trusted querafja brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Silicone Comfort Tech:** Crafted from ultra-flexible pure silicone to ensure a comfortable, skin-friendly training experience.
- • **Anywhere, Anytime Fitness:** Compact and lightweight design lets you train on the go—perfect for busy professionals.
- • **Endurance & Strength Boost:** Consistent use enhances abdominal muscle endurance and overall physical fitness.
- • **Tailored Intensity Control:** Customize your workout with precision-tuned resistance settings for every fitness level.
- • **Versatile for All Activities:** Ideal for runners, swimmers, martial artists, and outdoor enthusiasts seeking peak performance.

## Overview

The Querafja Muscle Trainer is a sleek, portable fitness device made from ultra-flexible silicone, featuring adjustable resistance levels to customize your muscle training intensity. Designed for adults across all fitness stages, it enhances abdominal endurance and overall physical fitness, making it a must-have for athletes and active professionals alike.

## Description

Muscle Trainer

Review: Best Lung Trainer! - Ran over 1.5 miles and didn’t even realize it!! Wasn’t winded at all, and it definitely helped my breathing for when I started to run without it. 10/10
Review: Works great! - My brother uses this. Seems to work great with good effort.

## Features

- Our Muscle Trainer suitable for almost everyone without side effects. Easy to adjust, which can meet different needs and achieve better results
- Allows you to customize training intensity based on your desired results. Features adjustable pressure levels; adjust the flow valve to find the perfect resistance for your training needs and get the best training results with personalized resistance adjustments.
- Continuous use of muscle trainers can improve your physical fitness, enhance abdominal muscle endurance, and allow you to experience professional muscle training.
- Made of ultra-flexible pure silicone, the trainer provides comprehensive abdominal muscle training for a variety of users, and its compact and portable design ensures comfortable and convenient use
- Our muscle trainers are a must-have for sports enthusiasts and are suitable for high-energy activities such as track and field, running, swimming, gymnastics, martial arts and outdoor activities

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CZKVVNSX |
| Best Sellers Rank | #10,789 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #65 in Strength Training Grip Strengtheners |
| Brand | Querafja |
| Brand Name | Querafja |
| Color | black |
| Customer Reviews | 4.3 4.3 out of 5 stars (312) |
| Date First Available | April 1, 2024 |
| Item Dimensions LxWxH | 3.94 x 1.97 x 0.04 inches |
| Item Package Dimensions L x W x H | 3.98 x 2.44 x 1.65 inches |
| Item Weight | 0.04 Kilograms |
| Manufacturer | Querafja |
| Material | Silicone |
| Package Weight | 0.05 Kilograms |
| Part Number | UL1K |
| Product Dimensions | 3.94"L x 1.97"W |
| Shape | Round |
| Style | portable |
| Tension Level | Adjustable (e.g., Light to Heavy) |
| UPC | 718387795128 |

## Product Details

- **Brand:** Querafja
- **Color:** black
- **Item Weight:** 0.04 Kilograms
- **Material:** Silicone
- **Style:** portable

## Images

![Exerciser Device Muscle Training, Fitness Trainer with Adjustable Resistance Settings, Exerciser Muscle Trainer for Adults - Image 1](https://m.media-amazon.com/images/I/51SRzMYU2WL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Best Lung Trainer!
*by J***E on October 19, 2025*

Ran over 1.5 miles and didn’t even realize it!! Wasn’t winded at all, and it definitely helped my breathing for when I started to run without it. 10/10

### ⭐⭐⭐⭐⭐ Works great!
*by L***H on December 3, 2025*

My brother uses this. Seems to work great with good effort.

### ⭐⭐⭐⭐ Good equipment
*by D***E on December 30, 2025*

Does its job. It definitely helped increase my breathing a bit

## Frequently Bought Together

- Exerciser Device Muscle Training, Fitness Trainer with Adjustable Resistance Settings, Exerciser Muscle Trainer for Adults
- 5 PCS Grip Strength Trainer Kit, Hand Gripper Strengthener, Forearm Strengthener, Finger Strengthener, Finger Exerciser, Stress Relief Ball, Forearm Workout Ring for Muscle Building and Injury Recover

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**Shop now:** [https://www.desertcart.com.au/products/629874583-exerciser-device-muscle-training-fitness-trainer-with-adjustable-resistance-settings](https://www.desertcart.com.au/products/629874583-exerciser-device-muscle-training-fitness-trainer-with-adjustable-resistance-settings)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-25*