---
product_id: 468174139
title: "JVC HA-Z66T-B Gumy Mini True Wireless Earbuds, 23 Hours Playback, Bluetooth 5.1, Compact and Lightweight, Water Resistance (IPX4), Black"
brand: "jvc"
price: "FREE"
currency: JPY
in_stock: false
reviews_count: 13
url: https://www.desertcart.jp/products/468174139-jvc-ha-z66t-b-gumy-mini-true-wireless-earbuds-23
store_origin: JP
region: Japan
---

# Compact & lightweight fit IPX4 water resistant 23H total playback JVC HA-Z66T-B Gumy Mini True Wireless Earbuds, 23 Hours Playback, Bluetooth 5.1, Compact and Lightweight, Water Resistance (IPX4), Black

**Brand:** jvc
**Price:** FREE
**Availability:** ❌ Out of Stock

## Summary

> 🎶 Tiny earbuds, massive vibe — never miss a beat!

## Quick Answers

- **What is this?** JVC HA-Z66T-B Gumy Mini True Wireless Earbuds, 23 Hours Playback, Bluetooth 5.1, Compact and Lightweight, Water Resistance (IPX4), Black by jvc
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/468174139-jvc-ha-z66t-b-gumy-mini-true-wireless-earbuds-23)

## Best For

- jvc enthusiasts

## Why This Product

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

## Key Features

- • **Solo or duo mode:** Use either earbud independently for calls or music, perfect for multitasking pros.
- • **Pocket-sized freedom:** Ultra-compact earbuds and charging case designed for seamless portability and style.
- • **Sweat & splash ready:** IPX4 water resistance means your earbuds keep up with your active lifestyle, rain or shine.
- • **Sound tailored to you:** Switch effortlessly between Normal, Bass, and Clear sound modes with intuitive touch controls.
- • **All-day power, no pause:** Enjoy up to 23 hours of uninterrupted music with a quick recharge on the go.

## Overview

The JVC HA-Z66T-B Gumy Mini True Wireless Earbuds deliver 23 hours of Bluetooth 5.1 playback in a sleek, ultra-lightweight design. Featuring IPX4 water resistance, three customizable sound modes, and single-ear use capability, these earbuds combine convenience and high-quality sound for professionals on the move.

## Description

JVC HA-Z66T-B Gumy Mini True Wireless Earbuds, 23 Hours Playback, Bluetooth 5.1, Compact and Lightweight, Water Resistance (IPX4), Black: desertcart.co.uk: Electronics & Photo

Review: Works great - These work great. Good price. Good quality.
Review: Best ear buds I've used - Compared to buds of a similar price, these are by far the best. Clear sound with plenty of bass, which can be tuned down if you want. They fit so snugly, there's no need for noise cancelling as they block everything out really well. In fact they do a better job than more expensive noise cancelling ones. Also they go all day long on one charge. I've bought two sets so I'm guaranteed to always have a pair charged up. The only thing I'd change is the touch control. Physical buttons that click are so much better. It's too easy to turn off or skip when adjusting the fit.

## Features

- LONG BATTERY LIFE - A total of 23 hours with the built-in battery (7.5 hours) and charging case (15.5 hours)
- GUMY MINI DESIGN - Small and lightweight earbuds in a compact charging case, convenient to carry in your pocket
- WATERPROOF - IPX4 water resistant
- 3 SOUND MODES / TOUCH CONTROL - With 3 sound modes (normal/bass/clear). Select your favourite sound with touch operation
- HIGH QUALITY SOUND - Small in size, but powerful in sound
- SINGLE EAR USE - Use either left or right earbud

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B9C52ZCS |
| Age Range Description | Adult |
| Antenna Location | Exercising |
| Audio Driver Type | Dynamic Driver |
| Battery Average Life | 23 hours |
| Battery Charge Time | 23 hours |
| Best Sellers Rank | 343 in In-Ear Headphones |
| Bluetooth Version | 5.1 |
| Bluetooth support? | Yes |
| Box Contents | Cable, Silicone earpieces 3 sizes S/M/L, Wireless Charging Case |
| Brand | JVC |
| Brand Name | JVC |
| Cable Features | Without Cable |
| Carrying Case Color | Black |
| Colour | Black |
| Compatible Devices | Devices with Bluetooth function |
| Control Method | Touch |
| Control Type | Touch Control |
| Controller Type | Wireless Touch Controller |
| Customer Package Type | Wireless Charging Case |
| Customer Reviews | 4.0 out of 5 stars 3,163 Reviews |
| Ear placement | In Ear |
| Earpiece Shape | Bud |
| Enclosure Material | Plastic |
| Form factor | In Ear |
| Frequency Range | 20Hz - 20,000Hz |
| Generation | 2. generation |
| Headphone Form Factor | In Ear |
| Headphone Jack | No Jack |
| Headphones Ear Placement | In Ear |
| Impedance | 16 Ohms |
| Input-Device Interface | Bluetooth |
| Item Type Name | Bluetooth Earbuds |
| Item Weight | 4 Grams |
| Manufacturer | JVCkenwood |
| Manufacturer Part Number | HA-Z66T-B-E |
| Model Name | HA-Z66T-B-E |
| Model Number | HA-Z66T-B-E |
| Network Connectivity Technology | Wireless |
| Noise Control | Sound Isolation |
| Noise Control Features | True |
| Noise control | Sound Isolation |
| Number of Items | 1 |
| Number of Packs | 1 |
| Product Features | Compact Charging Case, Microphone Included, Single Earbud Use, Sweatproof, Voice Assistant Compatible |
| Sensitivity | 16 Ohm |
| Series Number | 66 |
| Specific Uses For Product | Music |
| Style Name | Modern |
| Water Resistance Level | Water Resistant |
| Wireless Technology Type | Bluetooth |

## Product Details

- **Brand:** JVC
- **Colour:** Black
- **Connectivity technology:** Wireless
- **Ear placement:** In Ear
- **Form factor:** In Ear
- **Headphone jack:** No Jack
- **Impedance:** 16 Ohms
- **Model name:** HA-Z66T-B-E
- **Noise control:** Sound Isolation
- **Sensitivity:** 16 Ohm

## Images

![JVC HA-Z66T-B Gumy Mini True Wireless Earbuds, 23 Hours Playback, Bluetooth 5.1, Compact and Lightweight, Water Resistance (IPX4), Black - Image 1](https://m.media-amazon.com/images/I/512QquxecsL.jpg)
![JVC HA-Z66T-B Gumy Mini True Wireless Earbuds, 23 Hours Playback, Bluetooth 5.1, Compact and Lightweight, Water Resistance (IPX4), Black - Image 2](https://m.media-amazon.com/images/I/51dcM-0CixL.jpg)
![JVC HA-Z66T-B Gumy Mini True Wireless Earbuds, 23 Hours Playback, Bluetooth 5.1, Compact and Lightweight, Water Resistance (IPX4), Black - Image 3](https://m.media-amazon.com/images/I/51pmRnuzyIL.jpg)
![JVC HA-Z66T-B Gumy Mini True Wireless Earbuds, 23 Hours Playback, Bluetooth 5.1, Compact and Lightweight, Water Resistance (IPX4), Black - Image 4](https://m.media-amazon.com/images/I/51aUD018GBL.jpg)
![JVC HA-Z66T-B Gumy Mini True Wireless Earbuds, 23 Hours Playback, Bluetooth 5.1, Compact and Lightweight, Water Resistance (IPX4), Black - Image 5](https://m.media-amazon.com/images/I/51p3x76qX4L.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works great
*by C***A on 4 July 2026*

These work great. Good price. Good quality.

### ⭐⭐⭐⭐⭐ Best ear buds I've used
*by J***N on 9 November 2024*

Compared to buds of a similar price, these are by far the best. Clear sound with plenty of bass, which can be tuned down if you want. They fit so snugly, there's no need for noise cancelling as they block everything out really well. In fact they do a better job than more expensive noise cancelling ones. Also they go all day long on one charge. I've bought two sets so I'm guaranteed to always have a pair charged up. The only thing I'd change is the touch control. Physical buttons that click are so much better. It's too easy to turn off or skip when adjusting the fit.

### ⭐⭐⭐⭐ Decent enough for money
*by C***H on 21 June 2024*

Decent enough set of ear buds. I've used a lot of earbuds in the past and struggled with quite a few in terms of comfort and sound quality. This set is pretty good, fairly comfortable, decent sound quality and good value for money. I've moved to using ones that came with my new phone but still have these as a backup ones if I forget to bring my better ones to work. There's a few different fit options but I found the standard one to be the most comfortable. They do occasionally fall out but normally can feel they have gotten a bit loose before they actually fall out. Battery life is decent enough. If case is kept charged enough then I haven't used these to the point in a single session where the battery would die.

## Frequently Bought Together

- JVC HA-Z66T-B Gumy Mini True Wireless Earbuds, 23 Hours Playback, Bluetooth 5.1, Compact and Lightweight, Water Resistance (IPX4), Black
- Sony WF-C500 True Wireless Headphones (Up to 20 Hours Battery Life with Charging Case - Compatible with Voice Assistant, Built-in Microphone for Phone Calls, Bluetooth) Black

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**Shop now:** [https://www.desertcart.jp/products/468174139-jvc-ha-z66t-b-gumy-mini-true-wireless-earbuds-23](https://www.desertcart.jp/products/468174139-jvc-ha-z66t-b-gumy-mini-true-wireless-earbuds-23)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-19*