Dimensions
Size comparison
ZeroBT018
| Zero | BT018 | Difference | |
|---|---|---|---|
| Height | 35 mm | 78 mm | −43 mm |
| Width | 450 mm | 117 mm | +333 mm |
| Depth | 45 mm | 38 mm | +7 mm |
| Weight | 30 g | 202 g | −172 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Zero better than BT018?
- Weight30 g vs 202 g6.7×
Why is BT018 better than Zero?
- Battery capacity250 mAh vs 300 mAh+20%
Specifications
Side by side
| Sound | ||
| Output power | 3 W | — |
| Speaker channels | 1.0 | — |
| Channel count | 1 | — |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Stereo | No | — |
| Battery & charging | ||
| Battery life | 4 h | — |
| Battery capacity | 250 mAh | 300 mAh |
| Charging time | 1.5 h | — |
| Mains powered | No | No |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth codecs | SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| USB-C | Yes | — |
| Design & build | ||
| Weight | 30 g | 202 g |
| Width | 450 mm | 117 mm |
| Height | 35 mm | 78 mm |
| Depth | 45 mm | 38 mm |
| Protection rating | IPX6 | — |
| Water resistance (IPx) | IPx6 | — |
| Features | ||
| Hands-free calls | Yes | — |









