vs
5.4Battery4.8
Why is Openpiece S TE-S1 better than Free 2S?
- Battery life8 h vs 7 h+14%
Why is Free 2S better than Openpiece S TE-S1?
- Water resistance (IPx)IPx4 vs IPx7+75%
- Total with charging case27 h vs 30 h+11%
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | In-ear |
| Ear cup design | Open-back | — |
| Driver type | Dynamic | — |
| Driver size | 10 mm | — |
| Spatial / 3D audio | — | Yes |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Microphones | — | 4 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 8 h | 7 h |
| Total with charging case | 27 h | 30 h |
| Battery capacity | — | 40 mAh |
| Charging time | 1.5 h | 1.5 h |
| Wireless charging (case) | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.2 |
| Bluetooth codecs | AAC, SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | Yes |
| Latency | — | 60 ms |
| Low-latency game mode | — | Yes |
| Design & build | ||
| Earbud weight (each) | 4.2 g | — |
| Protection rating | IPX4 | IPX7 |
| Water resistance (IPx) | IPx4 | IPx7 |
| Features | ||
| Hands-free calls | Yes | — |
