Why is LAN IEM better than B1?
LAN IEM has no measurable advantages in this pair.
Why is B1 better than LAN IEM?
B1 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Bone conduction |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | — |
| Driver size | 10 mm | — |
| Lowest frequency | 15 Hz | — |
| Highest frequency | 37,000 Hz | — |
| Impedance | 32 Ω | 8 Ω |
| Sensitivity | 120 dB | — |
| Battery & charging | ||
| Battery life | — | 6 h |
| Connectivity | ||
| Wireless | No | Yes |
| Bluetooth version | — | 5.2 |
| Bluetooth codecs | — | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| 3.5 mm jack / AUX | Yes | — |
| Design & build | ||
| Weight | — | 35 g |
| Protection rating | — | IPX4 |
| Water resistance (IPx) | — | IPx4 |
| Colours | Silver | — |
| Features | ||
| Hands-free calls | — | Yes |







