Grundig · 2026True Wireless Sport Earbuds Bluetooth, 30h, USB-C
6.1Score
Higher score 2 advantages≈ $30
vs
8.5Battery4.7
Why is True Wireless Sport Earbuds Bluetooth, 30h, USB-C better than HA-A4T?
- Battery life30 h vs 7.5 h4×
- Driver size30 mm vs 12 mm2.5×
Why is HA-A4T better than True Wireless Sport Earbuds Bluetooth, 30h, USB-C?
HA-A4T has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Semi-in-ear (open) |
| Ear cup design | — | Open-back |
| Driver size | 30 mm | 12 mm |
| Number of drivers | 2 | — |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | No | — |
| Battery & charging | ||
| Battery life | 30 h | 7.5 h |
| Total with charging case | 30 h | — |
| Charging time | — | 2 h |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | — | 5.4 |
| Bluetooth codecs | — | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | — | 4 g |
| Protection rating | — | IPX4 |
| Water resistance (IPx) | — | IPx4 |
| Colours | Black | — |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | — | Yes |
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