Soundcore C40i – Open-back headphones with a comfortable and practical clip-on design
The C40i headphones feature an open-ear design that fits comfortably on the ear, giving you complete awareness of your surroundings—ideal for sports, commuting, and everyday work. They are lightweight, practical, and deliver clear sound with smart features that support your active lifestyle.
Key advantages:
- Open-Ear Clip-On Design
Long-lasting comfort and full peripheral awareness with a secure and non-irritating fit.
- Flexible and durable structure
Made of 0.5mm thick Memory Titanium and a soft TPU layer to withstand 1,000 bends without distortion.
- High-clarity AI-powered calls
Microphones and smart noise-isolating technologies keep your voice clear in crowded environments.
- Battery lasts up to 21 hours
It runs all day without the need for frequent recharging.
- water resistant
Suitable for sweat and splashes—ideal for running, cycling and exercise.
- Easy control buttons
Instant control of sound, play, and pause via tactile buttons.
- Compatible with most devices


Works seamlessly with phones, tablets, laptops—Bluetooth 5.4 connection with a range of up to 15 meters.
What's inside the box
- Soundcore C40i headphones
- Ear cases in sizes M/L
- USB-C cable
- Wireless charging case
- Security card and documents
Brief specifications
- Headphone type: Open-Ear
- Driver size: 17 mm
- Water resistance: Water Resistant
- Battery life: Up to 21 hours
- Charging time: 2 hours
- Weight: 5.38 g
- Color: Graphite Gray