SoundcoreTrue wireless earbuds
Soundcore C40i
Soundcore C40i is a true wireless earbuds released in 2025. Key specs: fit In-ear, battery life 7 h, Bluetooth version 5.4, water resistance (IPx) IPx4.
4.4Score
Sound3.6
Noise control & calls3.0
Battery4.5
Build & features4.0
price range$35–50Reference price converted from EUR
- Year
- 2025
- Brand
Soundcore- Popularity
- #1,423 of 2,013
- Series
- Soundcore Ci · 3 generations
- Model numbers
- Soundcore C40i Wüstenbronze
In-earFit
NoActive noise cancelling
7 hBattery life
5.4Bluetooth version
IPx4Water resistance (IPx)
YesMultipoint (two devices)
Spec guide
How it ranks among true wireless earbuds of 2025
Compared with true wireless earbuds released in 2025. Bars show the share of models it beats.
compared with other true wireless earbuds
Why is C40i a good choice?
Bluetooth version: 5.4better than 79% of true wireless earbuds
Charging time: 1 hbetter than 91% of true wireless earbuds
Driver size: 12 mmbetter than 80% of true wireless earbuds
Weak points
Total with charging case: 21 hworse than 90% of true wireless earbuds
Water resistance (IPx): IPx4worse than 99% of true wireless earbuds
Specifications
Full specifications
Sound
- Ear cup design
- Open-back
- Driver size
- 12 mm
- Number of drivers
- 1
- Lowest frequency
- 20 Hz
- Highest frequency
- 20,000 Hz
- Impedance
- 22 Ω
- Hi-Res Audio
- Yes
- Adjustable equaliser
- Yes
Noise control
- Active noise cancelling
- No
Battery & charging
- Battery life
- 7 h
- Total with charging case
- 21 h
- Charging time
- 1 h
- Quick charge (claimed)
- 10 min → 5 h
- Fast charging support
- Yes
Connectivity
- Wireless
- Yes
- Hi-res codec (LDAC / aptX HD / LHDC)
- No
- aptX
- No
- LDAC
- No
- Multipoint (two devices)
- Yes
- USB-C
- Yes
Design & build
- Earbud weight (each)
- 5.8 g
- Protection rating
- IPX4
- Water resistance (IPx)
- IPx4
- Colours
- Midnight Black, Desert Bronze, Clarity Black
Features
- Touch controls
- Yes
- Hands-free calls
- Yes
Specs are collected from manufacturers and open databases and normalised to one format; check details with the seller before you buy.
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