3.3Battery3.0
Why is Butterfly Neo HPB-SW20 better than HA-NP40T?
- Battery life8 h vs 7 h+14%
- Driver size34 mm vs 16 mm2.1×
Why is HA-NP40T better than Butterfly Neo HPB-SW20?
HA-NP40T has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | Bone conduction |
| Ear cup design | Open-back | Open-back |
| Driver type | — | Dynamic |
| Driver size | 34 mm | 16 mm |
| Number of drivers | — | 1 |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 11 Ω | — |
| Sensitivity | 80 dB | — |
| Adjustable equaliser | Yes | — |
| Battery & charging | ||
| Battery life | 8 h | 7 h |
| Charging time | 2 h | 2 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.4 |
| Bluetooth codecs | AAC, SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | Yes | — |
| Design & build | ||
| Weight | 60 g | — |
| Protection rating | — | IPX4 |
| Water resistance (IPx) | — | IPx4 |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | Yes |
