ANKER Soundcore C40i Open-back True Wireless Bluetooth Clip-on Earbuds [Hong Kong Official Product]

• Stable and breathable non-in-ear ear clip design for more comfortable wear
• Made with 0.5mm memory titanium wire and soft TPU material for a secure fit around the ear
• 12mm x 17mm runway-shaped driver paired with a titanium-coated diaphragm delivers clear and detailed sound
• Directional sound technology accurately transmits music into the ear while effectively preventing sound leakage
• Clear calls achieved through AI algorithms and noise-canceling microphones
• Supports simultaneous connection to two devices for easy switching

Breathable Comfort, Flexible Fit.

soundcore C40i (A3331)

Stay connected to the outside world

Using a non-in-ear open design combined with pneumatic sound transmission technology allows for comfortable long-term wear without ear pressure, naturally listening to external sounds.

Comfortable non-in-ear ear clip design

soundcore C40i features a non-in-ear and simple ear clip design, making it easy and comfortable to wear whether you are wearing glasses or other ear accessories, fitting seamlessly into your daily life.

Flexible and lightweight design for stability and comfort

The bent joint uses 0.5mm memory titanium wire and TPU material, combining flexibility and strength, and has passed over 10,000 fold tests, reducing pressure on the ears while being durable and fitting different ear shapes. The included ear tips can accommodate different ear thicknesses, providing extra stability. Each earbud weighs only 5.8g, reducing the burden on the ears.

Clear and powerful sound

The 12mm x 17mm runway-shaped driver with a titanium-coated diaphragm provides strong bass and clear sound. Supports 3D surround sound, with features activated in the soundcore app for a more immersive audio experience.

Directional sound technology

soundcore C40i uses a 20-degree angle speaker design to accurately focus sound transmission into your ears, optimizing sound quality while preventing leakage.

Physical button control

Features a physical button design for easy control while avoiding accidental touches.

AI-optimized clear calls

soundcore C40i uses two noise-canceling microphones combined with AI algorithms to enhance call clarity.

Supports dual device connection

Equipped with Bluetooth 5.4 for stable connections, supporting dual device connection functionality, allowing you to connect and easily switch between your computer and phone.

Ultra-long battery life

With a single charge, the earbuds can last up to 7 hours, and with the charging case, a total of 21 hours. Supports fast charging technology, placing the earbuds in the charging case for 10 minutes provides 2 hours of use.

soundcore app

You can select different sound effects and customize operation settings through the soundcore app.

Product specifications

Driver size: 12mm x 17mm; titanium metal coating
Charging time: 1 hour (earbuds) / 2.5 hours (earbuds + charging case)
Usage time (earbuds single use / with charging case): up to 7 / 21 hours (fast charge 10 minutes = 2 hours)
Connection: Bluetooth 5.4 (10 meters transmission)
Waterproof: IPX4
Calls: 2 noise-canceling microphones
Control method: 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, manual

Note:

The battery usage time data is based on soundcore's internal laboratory tests under continuous music playback at 50% volume settings. Actual usage time may vary due to volume, sound source, environmental interference, usage conditions, etc.
Fold test data is based on 3mm folds for 10,000 times while maintaining its shape.