Soundcore C40i Open-Ear Clip-On Earbuds

The Soundcore C40i by Anker is an open-ear clip-on wireless earbud designed for all-day comfort, clear sound, and safer listening. It features a lightweight non-intrusive design, 12mm × 17mm titanium-coated drivers, Bluetooth 5.4, AI-enhanced calls, multipoint connection, IPX4 water resistance, and up to 21 hours of total playtime with the charging case.

Soundcore C40i – Comfortable Open-Ear Clip-On Wireless Earbuds

The Soundcore C40i is designed for users who want wireless earbuds that stay comfortable without blocking the ear canal. Unlike traditional in-ear earbuds, the C40i uses an open-ear clip-on design that rests securely around the ear while keeping your ear canal free. This makes it ideal for daily use, work, walking, driving, light workouts, and long listening sessions.

With its non-intrusive open-ear structure, the Soundcore C40i allows you to enjoy music, calls, podcasts, and videos while still staying aware of your surroundings. This is especially useful when walking outdoors, working in an office, exercising, or moving around in public spaces where awareness is important.

The earbuds are equipped with large 12mm × 17mm titanium-coated drivers that deliver vibrant audio with clear vocals, balanced sound, and an open listening experience. The large driver design helps provide a fuller sound compared to many compact open-ear earbuds, making the C40i suitable for music, YouTube, calls, audiobooks, and casual entertainment.

For comfort and stability, the C40i features flexible clip-on joints made with memory titanium wire and soft TPU material. This helps the earbuds adapt to different ear shapes while staying securely in place. The design is lightweight, with each earbud weighing around 5.8g, so it feels easy to wear for long periods without heavy pressure on the ear.

The Soundcore C40i is powered by Bluetooth 5.4 for stable wireless connectivity and improved efficiency. It also supports multipoint connection, allowing you to connect to two devices at the same time, such as a phone and laptop. This makes switching between calls, meetings, music, and videos much more convenient.

For calls, the earbuds include 2 microphones with AI call enhancement. This helps improve voice clarity during phone calls, video meetings, and voice messages. Whether you are taking calls at work, on the street, or while moving around, the C40i is designed to keep your voice clearer for the person on the other side.

Battery life is practical for everyday use. The earbuds provide up to 7 hours of playtime on a single charge, while the charging case extends total playtime up to 21 hours. Fast charging is also supported, giving up to 2 hours of listening from just 10 minutes of charging.

The IPX4 water resistance rating helps protect the earbuds against sweat and light splashes, making them suitable for gym sessions, walking, commuting, and everyday outdoor use. They are not designed for swimming or heavy water exposure, but they can handle normal daily sweat and light moisture.

With open-ear comfort, secure clip-on wearing, clear sound, smart connectivity, and long battery life, the Soundcore C40i is a great choice for users who want comfortable wireless earbuds without the pressure of in-ear tips.

Key Features

🎧 Open-Ear Clip-On Design
Comfortable non-intrusive design keeps your ear canal open.

🔊 12mm × 17mm Titanium-Coated Drivers
Delivers vibrant sound with clear vocals and balanced audio.

🧠 AI-Enhanced Calls
Built-in microphones with AI help improve voice clarity during calls.

🔗 Bluetooth 5.4 Connectivity
Stable and efficient wireless connection for daily use.

🔄 Multipoint Connection
Connect to two devices at the same time and switch easily.

💧 IPX4 Water Resistance
Protected against sweat and light splashes.

🔋 Up to 21 Hours Total Playtime
Up to 7 hours from the earbuds and up to 21 hours with the case.

⚡ Fast Charging
10 minutes of charging gives up to 2 hours of listening.

🪶 Lightweight Fit
Each earbud weighs around 5.8g for comfortable long-term use.

👂 Flexible Secure Fit
Memory titanium wire and soft TPU joints help the earbuds fit securely.

Real-Life Benefits

✔ Comfortable for long listening sessions without blocking the ear canal
✔ Better awareness of people, cars, and surroundings while listening
✔ Great for walking, office use, driving, studying, and light workouts
✔ No ear-tip pressure, making it ideal for users who dislike in-ear earbuds
✔ Clear calls for work, meetings, and daily communication
✔ Multipoint connection makes it easy to switch between phone and laptop
✔ Lightweight clip-on design stays stable during movement
✔ Fast charging helps when you need quick battery before leaving
✔ IPX4 resistance makes it suitable for sweat and everyday outdoor use
✔ Charging case provides extra battery for the full day

Technical Specifications

Product Name: Soundcore C40i

Brand: Soundcore by Anker

Model: A3331

Earbud Type: Open-Ear True Wireless Earbuds

Wearing Style: Clip-On / Open-Ear

Design: Non-Intrusive Open-Ear Clip-On

Driver Size: 12mm × 17mm

Driver Type: Titanium-Coated Dynamic Driver

Sound Features: Vibrant Audio, 3D Sound

Bluetooth Version: Bluetooth 5.4

Multipoint Connection: Yes

Microphones: 2 Microphones with AI Call Enhancement

Control Type: Button Control

Water Resistance: IPX4

Earbud Battery Life: Up to 7 Hours

Total Battery Life with Case: Up to 21 Hours

Fast Charging: 10 Minutes = Up to 2 Hours Playtime

Earbud Weight: Around 5.8g per Earbud

Fit System: Flexible Joint with Ear Grips

Materials: Memory Titanium Wire + Soft TPU Joint

Recommended Use: Music, Calls, Podcasts, Office, Walking, Light Workout, Daily Use

Noise Cancelling: No Active Noise Cancelling

Charging Case: Included

Compatibility: iPhone, Android Phones, Tablets, Laptops, Bluetooth Devices

What’s Inside the Box

1 × Soundcore C40i Left Earbud

1 × Soundcore C40i Right Earbud

1 × Charging Case

2 × Pairs of Ear Grips / Ear Clips

1 × Charging Cable

1 × User Manual

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