---
product_id: 671499295
title: "by Anker AeroFit 2 Open-Ear Headphones, 42H, Hi-Res | Adjustable ear hooks, snug fit, rich bass, Hi-Res wireless audio, 42H playtime, Bluetooth 5.4, wireless charging, IP55"
brand: "soundcore"
price: "¥20181"
currency: JPY
in_stock: true
reviews_count: 13
category: "Soundcore"
url: https://www.desertcart.jp/products/671499295-by-anker-aerofit-2-open-ear-headphones-42h-hi-res
store_origin: JP
region: Japan
---

# 42H total playtime Wireless charging case 4-level adaptive fit by Anker AeroFit 2 Open-Ear Headphones, 42H, Hi-Res | Adjustable ear hooks, snug fit, rich bass, Hi-Res wireless audio, 42H playtime, Bluetooth 5.4, wireless charging, IP55

**Brand:** soundcore
**Price:** ¥20181
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate your sound, stay in the moment, and never miss a beat.

## Quick Answers

- **What is this?** by Anker AeroFit 2 Open-Ear Headphones, 42H, Hi-Res | Adjustable ear hooks, snug fit, rich bass, Hi-Res wireless audio, 42H playtime, Bluetooth 5.4, wireless charging, IP55 by soundcore
- **How much does it cost?** ¥20181 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/671499295-by-anker-aerofit-2-open-ear-headphones-42h-hi-res)

## Best For

- soundcore enthusiasts

## Why This Product

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

## Key Features

- • **Custom Fit for Every Ear:** Innovative 4-level adjustable ear hooks ensure a secure, personalized fit that stays put from boardroom to workout.
- • **Sweatproof & Ready for Action:** IP55-rated durability means these headphones keep pace with your busiest days and toughest workouts without missing a beat.
- • **Open-Ear Design, Stay Connected:** Experience rich, studio-quality sound while staying fully aware of your surroundings—perfect for multitasking millennials on the move.
- • **All-Day Power, Zero Interruptions:** Up to 42 hours of immersive Hi-Res audio with a wireless charging case that keeps you unplugged and unstoppable.
- • **Seamless Smart Controls & Clear Calls:** Touch controls and 4-mic noise reduction deliver effortless media management and crystal-clear conversations, wherever you are.

## Overview

The soundcore by Anker AeroFit 2 Open-Ear Headphones combine 42 hours of wireless Hi-Res audio powered by LDAC technology with a unique open-ear design that keeps you aware of your environment. Featuring adaptive 4-level ear hooks for a secure fit, IP55 sweat resistance, wireless charging, and advanced 4-mic call clarity, these headphones are engineered for professionals and active millennials seeking premium sound without compromise.

## Description

soundcore by Anker AeroFit 2 Open-Ear Headphones, 42H, Hi-Res | Adjustable ear hooks, snug fit, rich bass, Hi-Res wireless audio, 42H playtime, Bluetooth 5.4, wireless charging, IP55 : desertcart.ae: Electronics

Review: Sound Quality , AI assistance, translation, perfect fit for workout - Amazing Product, fits well on ears and it’s light , sound quality is amazing , I am wearing during gym workouts , and it’s has really improved my workout, battery life is good , I love AI translation feature but don’t know how to use it yet because it’s just been 2 days , also there’s AI Assitant I am trying to learn to communicate with him . Features are amazing , definitely value for money!
Review: Very good earpiece - The sound is clear and comfortable to wear

## Features

- [Open-Ear Comfort, Stay Aware] AeroFit 2 features a soft, non-invasive, double-curved design that rests gently on your ears for all-day comfort. Stay attuned to your surroundings while enjoying your favorite music, ideal for commuting, workouts, or workdays.
- [Adaptive 4-Level Fit] soundcore’s innovative 4-level adjustable ear hooks provide a personalized fit tailored to over 99% of ear shapes and sizes. Designed for secure comfort, they stay in place through every movement, from casual walks to intense training.
- [Rich, Hi-Res Sound] Experience powerful audio with 20mm × 11.5mm racetrack drivers and BassTurbo acoustics, delivering deep bass, clear mids, and detailed highs. Enjoy full-bodied, wireless Hi-Res audio with LDAC technology for studio-quality listening on the go.
- [Wireless Charging, Up to 42-Hr Battery Life] Get up to 10 hours of playtime on a single charge, extended to 42 hours with the charging case. Place the case on a wireless charger for tangle-free convenience and enjoy music that lasts all day and beyond.
- [What You Get] soundcore AeroFit 2, Charging Case, USB-C cable, QSG&Safety Card, and our 12-month warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DCZ2QFV8 |
| Additional Features | 4-Mic For Clear Calls, APP, IP55 & Sweatproof, Playtime：10/42H, Rotatable structure to adapt to different shapes of ears |
| Age Range Description | All |
| Antenna Location | Exercising, Office Daily Use |
| Audio Driver Type | Dynamic Driver |
| Battery Average Life | 10 Hours |
| Battery Charge Time | 1 Hours |
| Best Sellers Rank | #583 in Electronics ( See Top 100 in Electronics ) #15 in Open-Ear Headphones |
| Bluetooth Range | 10 Meters |
| Bluetooth Version | 5.4 |
| Brand | soundcore |
| Built-In Media | User Manual |
| Cable Features | Without Cable |
| Carrying Case Battery Average Life | 42 Hours |
| Carrying Case Battery Capacity | 750 Milliamp Hours |
| Carrying Case Battery Charging Time | 2 Hours |
| Carrying Case Color | clear |
| Carrying Case Height | 25.1 Millimeters |
| Carrying Case Length | 80 Millimeters |
| Carrying Case Material | PC+ABS |
| Carrying Case Weight | 65 Grams |
| Carrying Case Width | 66.7 Millimeters |
| Color | Black Standard |
| Colour | Black Standard |
| Compatible Devices | Smartphones, Tablets, Laptops, Desktops, Smart Speakers, Telephones, Cellphones |
| Connectivity Technology | Wireless |
| Control Method | Touch |
| Control Type | Media Control or Volume Control |
| Controller Type | Touch |
| Country of Origin | China |
| Customer Package Type | Rigid Case |
| Customer Reviews | 4.3 out of 5 stars 3,979 Reviews |
| Ear placement | Open Ear |
| Earpiece Shape | open_ear |
| Enclosure Material | PC+ABS+Silica gel+titanium |
| External Testing Certification | / |
| Form factor | Open Ear |
| Frequency Range | 20 Hz - 20 KHz |
| Frequency Response | 20 KHz |
| Headphone Folding Features | Open Ear |
| Headphone Jack | No Jack |
| Headphones Ear Placement | Open Ear |
| Impedance | 16 Ohms |
| Is Autographed | No |
| Is Electric | No |
| Item Weight | 85 Grams |
| Manufacturer | Anker |
| Model Name | A3874 |
| Model Number | A3874 |
| Noise Control | None |
| Noise control | None |
| Number of Items | 1 |
| Sensitivity | 127.5 dB |
| Series Number | 3874 |
| Specific Uses For Product | Sport |
| Style Name | Classic |
| Theme | Office Daily Use, Sports |
| Total USB 2.0 Ports | 1 |
| UPC | 194644036393 194644212636 |
| Unit Count | 1 Count |
| Warranty Description | 1 Year Manufacturer |
| Water Resistance Level | Water Resistant |
| Wireless Technology | Bluetooth 5.4 |

## Product Details

- **Brand:** soundcore
- **Colour:** Black Standard
- **Ear placement:** Open Ear
- **Form factor:** Open Ear
- **Impedance:** 16 Ohms

## Images

![by Anker AeroFit 2 Open-Ear Headphones, 42H, Hi-Res | Adjustable ear hooks, snug fit, rich bass, Hi-Res wireless audio, 42H playtime, Bluetooth 5.4, wireless charging, IP55 - Image 1](https://m.media-amazon.com/images/I/51KbC7CicEL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Sound Quality , AI assistance, translation, perfect fit for workout
*by F***N on 16 July 2026*

Amazing Product, fits well on ears and it’s light , sound quality is amazing , I am wearing during gym workouts , and it’s has really improved my workout, battery life is good , I love AI translation feature but don’t know how to use it yet because it’s just been 2 days , also there’s AI Assitant I am trying to learn to communicate with him . Features are amazing , definitely value for money!

### ⭐⭐⭐⭐⭐ Very good earpiece
*by ****I on 11 August 2026*

The sound is clear and comfortable to wear

### ⭐⭐⭐⭐ Very good
*by S***R on 6 June 2026*

Very good quality the voice amazing only the size need to fit every time

## Frequently Bought Together

- soundcore AeroFit 2 by Anker, Open-Ear Headphones, Translation Earbuds Real Time, 4 Adjustable Positions for Every Ear Size, 2x Richer Bass, Hi-Res, 42H Playtime, IP55,AI Clear Calls,Wireless Charging
- soundcore by Anker, Travel Case for AeroFit Series, Fits All AeroFit Earbuds, Anti-Scratch, Portable, Magnetic Closure, Black

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**Shop now:** [https://www.desertcart.jp/products/671499295-by-anker-aerofit-2-open-ear-headphones-42h-hi-res](https://www.desertcart.jp/products/671499295-by-anker-aerofit-2-open-ear-headphones-42h-hi-res)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-05*