Soundcore C40i
Open-ear clip-on earbuds with 12 x 17mm racetrack dynamic drivers and adaptive ANC deliver powerful, leak-free sound while keeping you aware of surroundings, backed by 21-hour total battery life with the case. IPX4 water resistance, a secure fit, and Bluetooth 5.4 multipoint make them reliable for exercise, while app-based 3D sound and physical buttons offer customization. These are best for runners and hikers who prioritize environmental awareness and a stable, comfortable fit over noise isolation during outdoor activities.
About This Earbuds
Open-ear clip-on earbuds with 12 x 17mm racetrack dynamic drivers and adaptive ANC deliver powerful, leak-free sound while keeping you aware of surroundings, backed by 21-hour total battery life with the case. IPX4 water resistance, a secure fit, and Bluetooth 5.4 multipoint make them reliable for exercise, while app-based 3D sound and physical buttons offer customization. These are best for runners and hikers who prioritize environmental awareness and a stable, comfortable fit over noise isolation during outdoor activities.
- Form factor open-ear
- Driver type dynamic
- Wireless
- Active noise cancellation
- Bluetooth version 5.4
- Battery life hours 21
- Case battery hours 14
- Water resistance IPX4
- Multipoint
Overview
Performance
Pros & Cons
Pros
- Strong comfort (93th percentile) 93th
- Strong connectivity (89th percentile) 89th
- Strong anc (88th percentile) 88th
- Strong battery (86th percentile) 86th
Cons
Specifications
Full Specifications
Design
| Form Factor | open-ear |
| Wearing Style | clip-on |
| Ear Tips | Medium, Large |
| Weight | 0.0 kg / 0.0 lbs |
Audio
| Driver Type | dynamic |
| Driver Size | 17 |
| Drivers | 2 |
Noise Control
| ANC | Yes |
| ANC Type | adaptive |
Connectivity
| Wireless | Yes |
| Bluetooth | 5.4 |
| Multipoint | Yes |
Earbud Battery
| Battery Life | 21 |
| Fast Charging | 10 Minutes for 2 Hours |
| Charging | USB-C |
Case Battery
| Case Battery | 14 |
| Case Charging | USB-C |
| Wireless Charging | No |
Microphone
| Microphone | Yes |
| NC Mic | Yes |
Features
| Touch Controls | No |
| App | Soundcore |
| Volume Limiting | No |
| Bone Conduction | No |
| Water Resistance | IPX4 |
vs Competition
| Spec | Soundcore C40i | Technics EAH-AZ100 EAH-AZ100 | Sony WF-1000XM5 WF-1000XM5 | Samsung Galaxy Buds Buds3 Pro | Bose QuietComfort Ultra 896637-0010 | Apple AirPods Pro MFHP4LL/A |
|---|---|---|---|---|---|---|
| Form Factor | open-ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | dynamic | Dynamic | dynamic | Dynamic | Dynamic | Dynamic |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | true | true | true | true | true | true |
| Bluetooth Version | 5.4 | 5.3 | 5.3 | 5.4 | 5.3 | 5.3 |
| Battery Life Hours | 21 | 8 | 8 | 6 | 6 | 8 |
| Case Battery Hours | 14 | 28 | 24 | 26 | 18 | 24 |
| Water Resistance | IPX4 | IPX4 | IPX4 | IP57 | IPX4 | IP57 |
| Multipoint | true | true | true | true | true | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| Soundcore C40i | 88.4 | 65.6 | 78.6 | 86.2 | 86.4 | 93.2 | 88.9 | 40.4 |
| Technics EAH-AZ100 EAH-AZ100 Compare | 96.6 | 96.8 | 78.6 | 99.1 | 79.2 | 93.2 | 99.1 | 89.2 |
| Sony WF-1000XM5 WF-1000XM5 Compare | 96.6 | 96.8 | 78.6 | 96 | 75.7 | 93.2 | 98.7 | 89.2 |
| Samsung Galaxy Buds Buds3 Pro Compare | 96.6 | 96.8 | 98.8 | 91.7 | 72.6 | 93.2 | 99.6 | 89.2 |
| Bose QuietComfort Ultra 896637-0010 Compare | 96.6 | 90.1 | 78.6 | 96.2 | 47.1 | 93.2 | 97.8 | 96.7 |
| Apple AirPods Pro MFHP4LL/A Compare | 96.6 | 80.3 | 98.8 | 89.1 | 75.7 | 70.4 | 97.8 | 99.3 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
