Soundcore C40i

★★★★☆ 4.1 (40)

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 Yes
active noise cancellation Yes
bluetooth version 5.4
battery life hours 21
case battery hours 14
water resistance IPX4
Soundcore C40i earbuds
77 Overall Score
Also available in:

Snapshot

Pros & Cons

Pros

  • Strong comfort (93th percentile) 93th
  • Strong connectivity (89th percentile) 89th
  • Strong anc (88th percentile) 88th
  • Strong social proof (87th percentile) 87th

Cons

What owners think

How owner sentiment changed over time

Exclusive

Based on when customers actually wrote their reviews — so you can see whether early praise held up.

Owner sentiment has improved over time
1★2★3★4★5★Q1 '25: 5.0★ · 1 reviewQ2 '25: 2.8★ · 5 reviewsQ3 '25: 4.3★ · 7 reviewsQ4 '25: 4.2★ · 17 reviewsQ1 '26: 4.6★ · 7 reviews157177Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Avg ratingHappy (4-5★)Unhappy (1-2★)Bar height = number of reviews

Based on 37 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

Performance Percentiles

Anc 88.3
Mic 65.4
Build 78.6
Sound 86.4
Battery 86.3
Comfort 93.3
Connectivity 88.8
Social Proof 87.4

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 Samsung Galaxy Buds Buds3 Pro EarFun Air Pro Air Pro 4+ JBL Endurance Peak Endurance Peak 4 Nothing Ear Ear (3) Sony WI-C100 WI-C100
Form Factor open-ear in-ear in-ear in-ear in-ear in-ear
Driver Type dynamic Dynamic hybrid dynamic dynamic Dynamic
Wireless true true true true true true
Active Noise Cancellation true true true true true true
Bluetooth Version 5.4 5.4 6.0 5.4 5.4 5.0
Battery Life Hours 21 6 12 12 10 25
Case Battery Hours 14 26 54 48 19 25
Water Resistance IPX4 IP57 IP55 IP68 Yes IPX4
Multipoint true true true true true false
Compare Compare Compare Compare Compare
Product AncMicBuildSoundBatteryComfortConnectivitySocial Proof
Soundcore C40i 88.365.478.686.486.393.388.887.4
Samsung Galaxy Buds Buds3 Pro Compare 96.796.898.891.772.693.399.693.2
EarFun Air Pro Air Pro 4+ Compare 96.796.89199.895.970.699.395.5
JBL Endurance Peak Endurance Peak 4 Compare 96.796.898.880.994.670.699.193.2
Nothing Ear Ear (3) Compare 9296.833.392.173.893.310095.5
Sony WI-C100 WI-C100 Compare 70.465.478.667.795.170.672.891.5

Price

Value & Pricing

From €40 1 offers across 1 retailers
Amazon.de 1 offers From €40
€40

Usage Scores

Calls (62.3)Music (64.6)Overall (77.3)Budget (80.7)Gaming (67.6)Travel (70.9)Commute (63.8)Fitness (80.1)

A full written review is coming soon. The specs, scores, prices and charts above are always up to date.

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