---
product_id: 486776032
title: "PecBuilder EMS Chest Trainer for Men,EMS Muscle Stimulator, USB Stomach Muscle Toner,Portable Fitness Workout Equipment for Men Woman Abdomen/arm/leg Home Office Exercise-2pcs"
brand: "masterunion"
price: "NZ$124"
currency: NZD
in_stock: true
reviews_count: 8
category: "Master Union"
url: https://www.desertcart.nz/products/486776032-pecbuilder-ems-chest-trainer-for-men-ems-muscle-stimulator-usb
store_origin: NZ
region: New Zealand
---

# 0.5-hour fast USB charging Multi-zone muscle stimulation 8-hour battery life PecBuilder EMS Chest Trainer for Men,EMS Muscle Stimulator, USB Stomach Muscle Toner,Portable Fitness Workout Equipment for Men Woman Abdomen/arm/leg Home Office Exercise-2pcs

**Brand:** masterunion
**Price:** NZ$124
**Availability:** ✅ In Stock

## Summary

> ⚡ Power up your muscles, even when you’re powering through your day!

## Quick Answers

- **What is this?** PecBuilder EMS Chest Trainer for Men,EMS Muscle Stimulator, USB Stomach Muscle Toner,Portable Fitness Workout Equipment for Men Woman Abdomen/arm/leg Home Office Exercise-2pcs by masterunion
- **How much does it cost?** NZ$124 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/486776032-pecbuilder-ems-chest-trainer-for-men-ems-muscle-stimulator-usb)

## Best For

- masterunion enthusiasts

## Why This Product

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

## Key Features

- • **Plug-and-Play Simplicity:** Intuitive controls let you adjust intensity and modes effortlessly—ideal for busy schedules and quick sessions.
- • **Wear It Anywhere, Anytime:** Ultra-thin, lightweight design fits discreetly under clothes—perfect for multitasking pros on the move.
- • **Targeted Muscle Activation:** Customizable EMS modes stimulate arms, chest, abdomen, legs, and more for full-body toning.
- • **Boost Circulation & Drainage:** Enhance blood flow and lymphatic drainage to feel revitalized and reduce fatigue after long workdays.
- • **All-day Power, Half-hour Charge:** Stay energized with a rapid 30-minute USB charge delivering 8 hours of uninterrupted muscle toning.

## Overview

The PecBuilder EMS Chest Trainer is a portable, USB-rechargeable muscle stimulator designed for targeted toning of the chest, arms, abdomen, and legs. With a rapid 30-minute charge providing up to 8 hours of use, its ultra-thin, lightweight design allows discreet wear under clothing, making it ideal for home, office, or on-the-go workouts. It promotes muscle toning, blood circulation, and lymphatic drainage through customizable EMS modes, supporting a modern active lifestyle.

## Description

Product description How to Use: - Place Massager on Desired Body Part. then Press the Program Button to Change to a Mode You Like. - Set the Intensity to Your Preference, Press the Inc Button to Increase Intensity and Press the Dec Button to Decrease Intensity. - Use for 15 Minutes Everyday for 10 Days or More. Package Includes: 2 Sets X Pecbuilder Ems Chest Trainer for Men Directions Place Massager on Desired Body Part. then Press the Program Button to Change to a Mode You Like. - Set the Intensity to Your Preference, Press the Inc Button to Increase Intensity and Press the Dec Button to Decrease Intensity. - Use for 15 Minutes Everyday for 10 Days or More. Safety Warning [General safety warnings apply, such as avoiding use near water and stopping if pain occurs.]

Review: Avoid !! - This product worked fine for 2 days . First one broke down followed by the other . Seller only offered a refund of £3.75 ! When challenged, they replied that a full refund would only be issued on me returning the item ( at my expense) to an obscure address in China - and only then after an inspection/test ! Not good enough. They finally offered 50% refund only after I insisted ( and only then to cut my losses). Avoid this seller at all costs .
Review: Not Able to Use at ALL! - Definately Did Not Like the Fact That NO Connection Hole Socket! Badly Made!

## Features

- PecBuilder EMS Chest Trainer for Men--- Elimination of Flabby Arms and Chest Fats, Great for Lymphatic Drainage Promoting Blood Circulation and More.
- Usb Charging --- It Can Be Used Continuously for 8 Hours After Charging for 0.5 Hours. Usb Charging Can Provide More Stable Power Supply with Longer Service Life.
- Flexible and portable --- EMS muscle trainer is ultra-light, ultra-thin, wearable, and easy to carry. ABS muscle trainers can be worn unobtrusively under your clothes. It is very suitable for muscle training during reading, watching movies, doing housework, and even during business or leisure.
- Usb Charging---PecBuilder EMS Chest Trainer Can Be Used Continuously for 8 Hours After Charging for 0.5 Hours. Usb Charging Can Provide More Stable Power Supply with Longer Service Life.
- Widely Applicable---The Massage Pad Can Also Be Widely Applied To Different Body Parts, Such As Arms, Breast, Neck, Shoulders, And Legs. Suitable For Everyone.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BGSQJPTV |
| Battery Average Life | 8 Hours |
| Benefits | Muscle Toning, Portability, Blood Circulation Promotion, Lymphatic Drainage |
| Best Sellers Rank | 220,465 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 280 in Fitness Electric Stimulators |
| Brand | MasterUnion |
| Brand Name | MasterUnion |
| Charging Time | 0.5 Hours |
| Colour | 2pcs |
| Country Of Origin | China |
| Customer Reviews | 2.8 out of 5 stars 29 Reviews |
| Form Factor | wand |
| Is Product Cordless | Yes |
| Manufacturer | LYDEW |
| Massage Therapy Technique | Vibration |
| Massager Form | Massage Wand |
| Material | Plastic |
| Material Type | Plastic |
| Model Name | PecBuilder EMS Chest Trainer for Men |
| Model Number | PecBuilder EMS Chest Trainer for Men |
| Other Special Features of the Product | Portable |
| Power Source | Corded Electric |
| Power source | Corded Electric |
| Product Grade | Home |
| Special feature | Portable |
| Specific Uses For Product | Arms, Breast, Neck, Shoulders, Legs, Blood Circulation, Lymphatic Drainage |
| Style Name | Modern |
| Target Use Body Part | Stomach |
| UPC | 755549035494 |
| Unit Count | 1.0 count |
| Use for | Stomach |

## Product Details

- **Brand:** MasterUnion
- **Colour:** 2pcs
- **Is cordless?:** Yes
- **Massager form:** Massage Wand
- **Material:** Plastic
- **Power source:** Corded Electric
- **Product benefits:** Muscle Toning, Portability, Blood Circulation Promotion, Lymphatic Drainage
- **Special feature:** Portable
- **Specific uses for product:** Arms, Breast, Neck, Shoulders, Legs, Blood Circulation, Lymphatic Drainage
- **Use for:** Stomach

## Images

![PecBuilder EMS Chest Trainer for Men,EMS Muscle Stimulator, USB Stomach Muscle Toner,Portable Fitness Workout Equipment for Men Woman Abdomen/arm/leg Home Office Exercise-2pcs - Image 1](https://m.media-amazon.com/images/I/619QbLZj+jL.jpg)
![PecBuilder EMS Chest Trainer for Men,EMS Muscle Stimulator, USB Stomach Muscle Toner,Portable Fitness Workout Equipment for Men Woman Abdomen/arm/leg Home Office Exercise-2pcs - Image 2](https://m.media-amazon.com/images/I/61TMEVBV+uL.jpg)
![PecBuilder EMS Chest Trainer for Men,EMS Muscle Stimulator, USB Stomach Muscle Toner,Portable Fitness Workout Equipment for Men Woman Abdomen/arm/leg Home Office Exercise-2pcs - Image 3](https://m.media-amazon.com/images/I/51oijMLt+VL.jpg)
![PecBuilder EMS Chest Trainer for Men,EMS Muscle Stimulator, USB Stomach Muscle Toner,Portable Fitness Workout Equipment for Men Woman Abdomen/arm/leg Home Office Exercise-2pcs - Image 4](https://m.media-amazon.com/images/I/61-EpGcjjqL.jpg)
![PecBuilder EMS Chest Trainer for Men,EMS Muscle Stimulator, USB Stomach Muscle Toner,Portable Fitness Workout Equipment for Men Woman Abdomen/arm/leg Home Office Exercise-2pcs - Image 5](https://m.media-amazon.com/images/I/61dRlG47sfL.jpg)

## Questions & Answers

**Q: does the item need/include the gel pads?**
A: Yes it does.. Everything you need to get going.. Good results to 😷

## Customer Reviews

### ⭐ Avoid !!
*by D***B on 26 March 2024*

This product worked fine for 2 days . First one broke down followed by the other . Seller only offered a refund of £3.75 ! When challenged, they replied that a full refund would only be issued on me returning the item ( at my expense) to an obscure address in China - and only then after an inspection/test ! Not good enough. They finally offered 50% refund only after I insisted ( and only then to cut my losses). Avoid this seller at all costs .

### ⭐ Not Able to Use at ALL!
*by M***I on 18 November 2023*

Definately Did Not Like the Fact That NO Connection Hole Socket! Badly Made!

### ⭐ Don't waste your money
*by M***E on 3 September 2023*

Worked for 2 days then just stopped working. Lights flash suggesting something was working but no pulsing etc. And don't expect the instructions to be any help, they appear to have been translated into English by a 3 year old.

## Frequently Bought Together

- MasterUnion PecBuilder EMS Chest Trainer for Men,EMS Muscle Stimulator, USB Stomach Muscle Toner,Portable Fitness Workout Equipment for Men Woman Abdomen/arm/leg Home Office Exercise-2pcs
- C100AE 60PCS EMS GEL PADS,EMS ABS Replacement Pads,Conductive Gel Pads Adhesive Electrodes,ABS Fitness Electric Stimulators Pads,EMS Trainer Gel Pads Toner,Abdominal Muscle Trainer Accessories
- EaspoBE EMS Muscle Stimulator, Abdominal Toning Belt Workout Equipment, ABS Trainer Belt for Abdominal Arm Leg 24''-55'' for Men and Women

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.nz/products/486776032-pecbuilder-ems-chest-trainer-for-men-ems-muscle-stimulator-usb](https://www.desertcart.nz/products/486776032-pecbuilder-ems-chest-trainer-for-men-ems-muscle-stimulator-usb)

---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-07-06*