Soundcore C40i
The 21-hour total battery life, 12mm racetrack dynamic drivers, and a clip-on design with breathable comfort and 0.5mm memory titanium wires offer a durable, all-day audio solution. Physical button controls deliver precise, accident-free operation while AI-enhanced microphones ensure clear call clarity in noisy settings. These earbuds suit runners and fitness enthusiasts who need a stable, open-ear fit that maintains situational awareness during outdoor exercise.
About This Earbuds
The 21-hour total battery life, 12mm racetrack dynamic drivers, and a clip-on design with breathable comfort and 0.5mm memory titanium wires offer a durable, all-day audio solution. Physical button controls deliver precise, accident-free operation while AI-enhanced microphones ensure clear call clarity in noisy settings. These earbuds suit runners and fitness enthusiasts who need a stable, open-ear fit that maintains situational awareness during outdoor exercise.
- Form factor open-ear
- Driver type dynamic
- Wireless
- Bluetooth version 5.4
- Battery life hours 21
- Case battery hours 14
- Water resistance IPX4
- Multipoint
Overview
Performance
Pros & Cons
Pros
- Strong connectivity (89th percentile) 89th
- Strong battery (87th percentile) 87th
- Strong sound (80th percentile) 80th
- Strong build (79th percentile) 79th
Cons
- Below average anc (29th percentile) 29th
- Below average social proof (33th percentile) 33th
Specifications
Full Specifications
Design
| Form Factor | open-ear |
| Wearing Style | clip-on |
| Ear Tips | Medium, Large |
| Weight | 0.1 kg / 0.1 lbs |
Audio
| Driver Type | dynamic |
| Driver Size | 12 |
| Drivers | 2 |
Noise Control
| ANC | No |
| ANC Type | adaptive |
Connectivity
| Wireless | Yes |
| Bluetooth | 5.4 |
| Multipoint | Yes |
Earbud Battery
| Battery Life | 21 |
| Fast Charging | Fast charge 10 minutes to get 2 hours more playtime |
| 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 app |
| Volume Limiting | No |
| Bone Conduction | No |
| Water Resistance | IPX4 |
Value & Pricing
vs Competition
| Spec | Soundcore C40i | Sony WF-1000XM5 WF-1000XM5 | Sennheiser MOMENTUM True Wireless 4 | Technics EAH-AZ80 EAH-AZ80-S | Samsung Galaxy Buds3 Pro SM-R630NZWAXAR | 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 | false | true | true | true | true | true |
| Bluetooth Version | 5.4 | 5.3 | 5.4 | 5.3 | 5.4 | 5.3 |
| Battery Life Hours | 21 | 8 | 30 | 7 | 6 | 8 |
| Case Battery Hours | 14 | 24 | 30 | 24 | 26 | 24 |
| Water Resistance | IPX4 | IPX4 | IP54 | IPX4 | IP57 | 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 | 29.4 | 65.9 | 79 | 79.9 | 86.5 | 70.9 | 88.9 | 33 |
| Sony WF-1000XM5 WF-1000XM5 Compare | 96.6 | 96.9 | 79 | 99.2 | 75.6 | 93.4 | 99.9 | 80.1 |
| Sennheiser MOMENTUM True Wireless 4 Compare | 96.6 | 99.7 | 33.4 | 91.9 | 97.5 | 93.4 | 90 | 89.3 |
| Technics EAH-AZ80 EAH-AZ80-S Compare | 91.9 | 99.7 | 79 | 88.3 | 72.6 | 93.4 | 97.8 | 89.3 |
| Samsung Galaxy Buds3 Pro SM-R630NZWAXAR Compare | 96.6 | 96.9 | 98.8 | 91.9 | 72.6 | 93.4 | 99.6 | 89.3 |
| Apple AirPods Pro MFHP4LL/A Compare | 96.6 | 80.5 | 98.8 | 83.3 | 75.6 | 70.9 | 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.
