vs
9.2Noise control & calls4.0
2.3Battery7.1
Why is HST-250BT better than Tune 520BT?
- Active noise cancellingYes · Tune 520BT: No
- Driver size40 mm vs 33 mm+21%
Why is Tune 520BT better than HST-250BT?
- Battery life13 h vs 57 h4.4×
- Bluetooth version5 vs 5.3+6%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | On-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | 40 mm | 33 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 32 Ω | 30 Ω |
| Sensitivity | — | 102 dB |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Battery & charging | ||
| Battery life | 13 h | 57 h |
| Battery capacity | 250 mAh | — |
| Charging time | — | 2 h |
| Quick charge (claimed) | — | 5 min → 1 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 5.3 |
| Bluetooth codecs | — | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| Multipoint (two devices) | — | Yes |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | Yes | — |
| Smart & streaming | ||
| Voice assistant | — | Google Assistant, Siri |
| Design & build | ||
| Weight | — | 157 g |
| Foldable | Yes | Yes |
| Features | ||
| Hands-free calls | Yes | Yes |








