---
product_id: 685608455
title: "C40i by Anker, Open-Ear Earbuds, Clip-On Headphones, Flexible Joint Design, Button Controls, Lightweight Comfort, Stable Fit with Attachable Ear Grips, Expansive Drivers for Clear Sound"
brand: "soundcore"
price: "¥15760"
currency: JPY
in_stock: true
reviews_count: 8
category: "Soundcore"
url: https://www.desertcart.jp/products/685608455-c40i-by-anker-open-ear-earbuds-clip-on-headphones-flexible
store_origin: JP
region: Japan
---

# 17mm dynamic drivers for crisp sound 21-hour battery life with fast charging 1000-bend durable flexible titanium joints C40i by Anker, Open-Ear Earbuds, Clip-On Headphones, Flexible Joint Design, Button Controls, Lightweight Comfort, Stable Fit with Attachable Ear Grips, Expansive Drivers for Clear Sound

**Brand:** soundcore
**Price:** ¥15760
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate your active lifestyle with sound that moves as fast as you do!

## Quick Answers

- **What is this?** C40i by Anker, Open-Ear Earbuds, Clip-On Headphones, Flexible Joint Design, Button Controls, Lightweight Comfort, Stable Fit with Attachable Ear Grips, Expansive Drivers for Clear Sound by soundcore
- **How much does it cost?** ¥15760 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/685608455-c40i-by-anker-open-ear-earbuds-clip-on-headphones-flexible)

## 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

- • **Stay Put, No Matter What:** Attachable ear grips lock in place for stable wear during intense workouts or commutes.
- • **Unmatched Durability & Fit:** Memory titanium wires and TPU joints flex 1000+ times, hugging your ears securely all day.
- • **Breathe Easy, Listen Freely:** Open-ear design ensures all-day breathable comfort without ear fatigue.
- • **Crystal Clear Calls Anywhere:** AI-enhanced microphones cut through noise for sharp, professional-grade call clarity.
- • **Effortless Control On-the-Go:** Tactile button controls deliver precise, frustration-free operation even mid-move.

## Overview

The Soundcore C40i by Anker are open-ear, clip-on wireless earbuds featuring 17mm dynamic drivers for clear sound, a breathable lightweight design with flexible titanium joints for durability, and attachable ear grips for a stable fit. With 21 hours of battery life, fast charging, AI-enhanced call clarity, and tactile button controls, these earbuds are engineered for professionals seeking comfort, reliability, and seamless on-the-go audio performance.

## Description

desertcart.com: Soundcore C40i by Anker, Open-Ear Earbuds, Clip-On Headphones, Flexible Joint Design, Button Controls, Lightweight Comfort, Stable Fit with Attachable Ear Grips, Expansive Drivers for Clear Sound : Electronics

Review: Great Everyday Earbuds – Lightweight, Comfortable, and Reliable - I've been using these earbuds for about 10 months now, and out of all the ones I've tried over the years, this is definitely the best. They're incredibly lightweight and comfortable—most of the time, I can barely feel them in my ears. The tactile buttons are a great touch, making them easy to control without the frustration that sometimes comes with touch-sensitive ones. The sound quality is very good, with clear mids and highs, though you shouldn’t expect heavy bass. For most types of listening—music, podcasts, and calls—they perform really well. Battery life is more than adequate for above-average daily use. I rarely find myself needing to recharge them unexpectedly. I especially recommend these for indoor use, where they truly shine. They’re not ideal for outdoor environments with a lot of background noise, as the noise isolation is limited.
Review: Soundcore c40i - Amazing comfortable ear buds! - Beautiful sound, catch these at this reasonable price before they go back up. These ear clip buds punch WAY above their weight and the added app allows greater customization of your sound profile. You will love these Soundcore c40i earphones!

## Features

- Breathable Comfort: Enjoy matchless comfort with soundcore C40i open-ear earbuds. Designed with a stable but airy clip-on style, they offer ultimate breathability, allowing you to enjoy your favorite music with total freedom.
- Snug, Flexible Fit: soundcore C40i clip-on headphones sport 0.5mm memory titanium wires and soft TPU for their flexible joints. They ensure 1,000-bend durability² and an adaptable fit, effortlessly conforming to your ears and staying securely in place throughout the day.
- Attach for Enhanced Stability: Revolutionize your listening experience with our cutting-edge attachable ear grips, specifically designed to ensure your clip on headphones stay securely in place, regardless of workout intensity.
- AI-Enhanced Call Clarity: Be heard even in noisy environments with soundcore C40i clip-on headphones. Utilizing an advanced AI algorithm and strategically positioned microphones, your phone conversations will come through with precision and sharpness.
- Intuitive Button Controls: Born ready for your active lifestyle, soundcore C40i open-ear earbuds comes equipped with physical buttons for precise, accident-free control—extra handy for on-the-go use.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DDTHYKSW |
| Additional Features | Fast Charging |
| Age Range Description | All |
| Antenna Location | Calling, Cycling, Exercising, Gaming, Running |
| Audio Driver Size | 17 Millimeters |
| Audio Driver Type | Dynamic Driver |
| Battery Average Life | 21 Hours |
| Battery Charge Time | 2 Hours |
| Best Sellers Rank | #10,156 in Electronics ( See Top 100 in Electronics ) #141 in Open-Ear Headphones |
| Bluetooth Range | 15 Meters |
| Bluetooth Version | 5.4 |
| Brand | Soundcore |
| Brand Name | Soundcore |
| Built-In Media | Cable |
| Cable Features | Detachable |
| Carrying Case Battery Average Life | 21 Hours |
| Carrying Case Battery Charging Time | 2 Hours |
| Carrying Case Color | Desert Bronze |
| Carrying Case Height | 30 Millimeters |
| Carrying Case Length | 60 Millimeters |
| Carrying Case Material | Plastic, ABS |
| Carrying Case Weight | 59.2 Grams |
| Carrying Case Width | 60 Millimeters |
| Color | Golden |
| Compatible Devices | Cellphones, Desktops, Laptops, Tablets |
| Connectivity Technology | Wireless |
| Control Method | Push Button |
| Control Type | Button Control |
| Controller Type | Button |
| Customer Package Type | Rigid Case |
| Customer Reviews | 4.0 out of 5 stars 951 Reviews |
| Ear Placement | Open Ear |
| Earpiece Shape | Round |
| Enclosure Material | Acrylonitrile Butadiene Styrene (ABS), Polycarbonate (PC) |
| Form Factor | Open Ear |
| Frequency Range | 10,000 Hz |
| Frequency Response | 10000 Hz |
| Headphone Folding Features | Open Ear |
| Headphone Jack | No Jack |
| Headphones Ear Placement | Open Ear |
| Impedance | 22 Ohms |
| Is Autographed | No |
| Is Electric | No |
| Item Weight | 0.19 Ounces |
| Manufacturer | Anker |
| Model Name | soundcore C40i |
| Model Number | A3331 |
| Noise Control | None |
| Number of Items | 1 |
| Number of Power Levels | 5 |
| Sensitivity | 83 dB |
| Specific Uses For Product | Sport |
| Style Name | Modern |
| Theme | Sports |
| UPC | 194644214470 194644210793 |
| Warranty Description | 18.00 |
| Water Resistance Level | Water Resistant |
| Wireless Technology | Bluetooth |

## Product Details

- **Brand:** Soundcore
- **Color:** Golden
- **Ear Placement:** Open Ear
- **Form Factor:** Open Ear
- **Impedance:** 22 Ohms

## Images

![C40i by Anker, Open-Ear Earbuds, Clip-On Headphones, Flexible Joint Design, Button Controls, Lightweight Comfort, Stable Fit with Attachable Ear Grips, Expansive Drivers for Clear Sound - Image 1](https://m.media-amazon.com/images/I/51c7n3d2AnL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great Everyday Earbuds – Lightweight, Comfortable, and Reliable
*by N***H on September 30, 2025*

I've been using these earbuds for about 10 months now, and out of all the ones I've tried over the years, this is definitely the best. They're incredibly lightweight and comfortable—most of the time, I can barely feel them in my ears. The tactile buttons are a great touch, making them easy to control without the frustration that sometimes comes with touch-sensitive ones. The sound quality is very good, with clear mids and highs, though you shouldn’t expect heavy bass. For most types of listening—music, podcasts, and calls—they perform really well. Battery life is more than adequate for above-average daily use. I rarely find myself needing to recharge them unexpectedly. I especially recommend these for indoor use, where they truly shine. They’re not ideal for outdoor environments with a lot of background noise, as the noise isolation is limited.

### ⭐⭐⭐⭐⭐ Soundcore c40i - Amazing comfortable ear buds!
*by A***N on January 6, 2026*

Beautiful sound, catch these at this reasonable price before they go back up. These ear clip buds punch WAY above their weight and the added app allows greater customization of your sound profile. You will love these Soundcore c40i earphones!

### ⭐⭐⭐⭐ Good sound and quality, ok-ish battery life
*by S***O on December 7, 2025*

Solid sound quality for open ear earbuds, volume boost with soundcore software helps in noisy environments More comfortable than the c30i, no sharp edges to irritate spots on the ears plus a semi flexible link between back and front of the earbuds Battery life leaves a lot to be desired compared to theire other earbuds including the c30i, will not make it through a 12hr work day but does seem to last for an 8hr day Easy to connect and supports dual connection for 2 devices Easy to use and has tactile buttons

## Frequently Bought Together

- Soundcore C40i by Anker, Open-Ear Earbuds, Clip-On Headphones, Flexible Joint Design, Button Controls, Lightweight Comfort, Stable Fit with Attachable Ear Grips, Expansive Drivers for Clear Sound
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**Shop now:** [https://www.desertcart.jp/products/685608455-c40i-by-anker-open-ear-earbuds-clip-on-headphones-flexible](https://www.desertcart.jp/products/685608455-c40i-by-anker-open-ear-earbuds-clip-on-headphones-flexible)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-19*