DIGIBAL ONLINE · Hong Kong Official Stock

Original official stock with local warranty; please confirm stock availability and compatibility with us before placing your order.

• Stable and breathable open-ear ear clip design for enhanced wearing comfort • Made with 0.5mm memory titanium wire and soft TPU for a secure fit around the ear • 12mm x 17mm racetrack-shaped drivers with titanium-coated diaphragms deliver clear, detailed sound • Directional sound technology precisely directs music into your ears while effectively preventing sound leakage • AI algorithms and noise-cancelling microphones deliver clear calls • Supports simultaneous connection to two devices for easy switching

The open-ear design, combined with air conduction technology, allows you to wear them comfortably for extended periods without the pressure of in-ear headphones, while letting you hear the sounds around you naturally.

The soundcore C40i features a non-in-ear design and simple ear clip structure, allowing you to wear it easily and comfortably with glasses or other accessories, making it ideal for everyday use.

Breathable Confort, Flexible Fit. 

soundcore C40i (A3331)

Stay connected to the world around you

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Comfortable open-ear ear clip design

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Flexible and lightweight design for a secure, comfortable fit

The curved section is made with 0.5mm memory titanium wire and TPU, combining flexibility, elasticity and strength. It has passed more than 10,000 bending tests, reducing pressure on your ears while providing a durable fit for different ear shapes. The included ear grips accommodate different ear thicknesses for added stability. Each earbud weighs only 5.8g, reducing the burden on your ears.

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Clear and powerful sound

The 12mm x 17mm racetrack-shaped drivers with titanium-coated diaphragms deliver powerful bass and clear sound. 3D surround sound is also supported; activate this feature in the soundcore app for a more immersive listening experience.

Directional sound technology

The soundcore C40i uses a 20-degree angled speaker design to direct sound more accurately into your ears, optimizing sound quality while preventing sound leakage.

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Physical button controls

The physical button design makes basic controls convenient while helping to prevent accidental touches.

AI-Optimized Clear Calls

The soundcore C40i uses two noise-cancelling microphones with AI algorithms to enhance call clarity.

Supports dual-device connection

Featuring a stable Bluetooth 5.4 connection, it supports dual-device connectivity, allowing you to connect to and easily switch between your computer and phone.

Extended battery life

A single charge provides up to 7 hours of listening time, or up to 21 hours with the charging case. With fast charging support, placing the earbuds in the charging case for 10 minutes provides 2 hours of playback.

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soundcore App

Use the soundcore app to select different sound effects and customize control settings.

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Product Specifications

Driver size: 12mm x 17mm; titanium coating Charging time: 1 hour (earbuds) / 2.5 hours (earbuds + charging case) Playback time (single charge / with charging case): Up to 7 / 21 hours (10-minute fast charge = 2 hours) Connection: Bluetooth 5.4 (10m transmission range) Water resistance: IPX4 Calls: 2 noise-cancelling microphones Controls: Physical buttons Net weight: 5.8g (single earbud) / 51.6g (with charging case) Contents: C40i, charging case, Ear Grips (M/L), USB-C to USB-A charging cable, user manual

Note:

The battery life data was obtained through continuous music playback in soundcore's internal laboratory with the volume set to 50%. Actual usage time may vary depending on volume, audio source, interference in the usage environment and usage conditions. The bending test data is based on maintaining its shape after 10,000 bends at 3mm.

Warranty

1-year warranty. Warranty period is subject to the statutory requirements of the local country.（保養年期以當地國家法例要求為準） .dgw{background:#eef2f7;color:#2b3d4f;font-family:-apple-system,"PingFang HK","Noto Sans HK","Microsoft JhengHei",Segoe UI,sans-serif;line-height:1.75;font-size:16px;padding:6px 0 2px} .dgw .wrap{max-width:1120px;margin:0 auto;padding:24px 18px 56px} .dgw .hero{border-radius:20px;padding:38px 36px;color:#fff;background:linear-gradient(135deg,#0b2f5c 0%,#12508f 55%,#1a7fd4 100%)} .dgw .hero .brand{font-size:12.5px;letter-spacing:.18em;opacity:.75;margin-bottom:10px} .dgw h1{font-size:clamp(24px,3.4vw,40px);line-height:1.25;margin:0 0 8px} .dgw .hero p{margin:0;opacity:.92} .dgw .sp{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px} .dgw .sp span{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:4px 13px;font-size:13.5px} .dgw .sec{background:#fff;border-radius:16px;box-shadow:0 1px 2px rgba(16,42,67,.06),0 8px 24px -18px rgba(16,42,67,.3);padding:26px 28px;margin-top:18px} .dgw h2{font-size:23px;color:#0b2f5c;margin:0 0 12px} .dgw h3{font-size:17px;color:#0b2f5c;margin:12px 0 4px} .dgw p.lead{margin:0} .dgw .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px} .dgw .g{border:1px solid #e3eaf3;border-radius:12px;padding:14px 16px} .dgw .g b{display:block;color:#1a7fd4;font-size:13px;letter-spacing:.12em} .dgw .g strong{display:block;font-size:16.5px;margin:4px 0;color:#1b2733} .dgw .g span{font-size:14px;color:#4b5f73} .dgw .cmp,.dgw .spec{width:100%;border-collapse:collapse;font-size:14.5px} .dgw .cmp th,.dgw .spec td:first-child{background:#f2f6fb;color:#0b2f5c;text-align:left} .dgw .cmp th,.dgw .cmp td,.dgw .spec td{border:1px solid #e3eaf3;padding:9px 12px;vertical-align:top} .dgw tr.cur td{background:#fff7ec} .dgw .btn{display:inline-block;border-radius:999px;padding:7px 18px;font-size:13.5px;text-decoration:none;background:#0b2f5c;color:#fff} .dgw .btn.cur{background:#f6a100} .dgw .faq{border-top:1px dashed #d8e2ee;padding:12px 2px} .dgw .faq b{color:#1b2733} .dgw .faq p{margin:6px 0 0;color:#4b5f73} .dgw .cta{background:linear-gradient(135deg,#0b2f5c,#1a7fd4);color:#fff;border-radius:16px;padding:24px 30px;margin-top:18px;text-align:center} .dgw .note-s{font-size:12.5px;color:#7b8ea3;margin:8px 0 0} .dgw .meta{font-size:12.5px;color:#7b8ea3;margin:10px 0 0} @media (max-width:860px){.dgw .wrap{padding:16px 12px 40px}.dgw .hero{padding:26px 20px}.dgw .grid{grid-template-columns:1fr 1fr}} @media (max-width:560px){.dgw .grid{grid-template-columns:1fr}} /*mfix3*/@media (max-width:860px){.dgw .cmp,.dgw .spec{table-layout:fixed}.dgw .cmp th,.dgw .cmp td,.dgw .spec td,.dgw .spec th{overflow-wrap:anywhere;word-break:break-word}.dgw .cmp td.pr{white-space:nowrap}.dgw .cmp .btn{max-width:100%}}@media (max-width:560px){.dgw .sec{padding:20px 14px}.dgw .cmp{table-layout:auto}.dgw .cmp th{display:none}.dgw .cmp,.dgw .cmp tbody{display:block}.dgw .cmp tr{display:block;border:1px solid #e3eaf3;border-radius:12px;padding:10px 12px;margin:8px 0;overflow:hidden}.dgw .cmp td{display:inline-block;border:none;padding:4px 8px;vertical-align:middle;overflow-wrap:anywhere}.dgw .cmp td:nth-child(2){display:none}.dgw .cmp td:first-child{display:block;width:100%;padding:0 0 4px;font-weight:600}.dgw .cmp td.pr{white-space:nowrap;font-size:13.5px}.dgw .cmp td:last-child{float:right}.dgw .cmp .btn{white-space:nowrap;padding:5px 10px;font-size:12px}.dgw .cmp tr.cur{border-color:#f2c464}.dgw .spec td:first-child{width:38%}}

Is this Hong Kong official stock?

Yes, this product is Hong Kong official stock. The warranty is subject to the terms on this product page and the distributor's warranty policy.

When will my order be shipped?

In-stock items are generally arranged for shipment within 1–2 business days after ordering. If the item is out of stock, we will notify you first.

Can you issue invoices or support bulk purchases?

Yes. If you need an invoice or a bulk quotation, please contact us directly.

How can I confirm if the specifications are compatible?

Tell us the model of the device you want to pair it with, and we’ll help verify compatibility.

Tell us the devices you plan to pair it with and the usage scenario, and we’ll help confirm whether this model is suitable.

DIGIBAL ONLINE｜Local Support

Is this an official Hong Kong product?
Yes, this product is officially imported for Hong Kong. Warranty coverage is subject to this product page and the agent’s terms.

When will my order be shipped?
In-stock items are generally arranged for shipment within 1–2 working days. If an item is out of stock, we will notify you first.

Before placing your order, you can confirm the compatible models and accessories with us. Bulk or institutional purchases can be quoted separately.

Warranty coverage and duration are subject to this product page and the agent’s terms. If you have any issues, please contact us first and we’ll be happy to assist.