radiusTrue wireless earbuds
radius HP-C28BT
radius HP-C28BT is a true wireless earbuds released in August 2024. Key specs: fit In-ear, battery life 3.5 h, Bluetooth version 5.3, water resistance (IPx) IPx4.
4.3Score
Battery2.4
Build & features6.7
price range$45–60Reference price converted from JPY
- Released
- August 2024
- Brand
- radius
- Popularity
- #989 of 2,013
In-earFit
3.5 hBattery life
5.3Bluetooth version
IPx4Water resistance (IPx)
Spec guide
How it ranks among true wireless earbuds of 2024
Compared with true wireless earbuds released in 2024. Bars show the share of models it beats.
compared with other true wireless earbuds
Why is HP-C28BT a good choice?
Earbud weight (each): 3 gbetter than 99% of true wireless earbuds
Weak points
Battery life: 3.5 hworse than 99% of true wireless earbuds
Water resistance (IPx): IPx4worse than 99% of true wireless earbuds
In rankings
Specifications
Full specifications
Sound
- Driver size
- 6.1 mm
- Lowest frequency
- 20 Hz
- Highest frequency
- 20,000 Hz
- Impedance
- 16 Ω
- Sensitivity
- 90 dB
Battery & charging
- Battery life
- 3.5 h
- Charging time
- 1.5 h
Connectivity
- Wireless
- Yes
- Hi-res codec (LDAC / aptX HD / LHDC)
- No
- aptX
- No
- LDAC
- No
- USB-C
- Yes
Design & build
- Earbud weight (each)
- 3 g
- Protection rating
- IPX4
- Water resistance (IPx)
- IPx4
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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