vs
5.4Battery4.6
Why is Openpiece S TE-S1 better than Tune Flex TWS?
- Total with charging case27 h vs 24 h+12%
Why is Tune Flex TWS better than Openpiece S TE-S1?
Tune Flex TWS has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | In-ear |
| Ear cup design | Open-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 10 mm | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | — | Yes |
| Transparency / ambient mode | — | Yes |
| Battery & charging | ||
| Battery life | 8 h | 8 h |
| Total with charging case | 27 h | 24 h |
| Charging time | 1.5 h | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | — |
| Bluetooth codecs | AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | — |
| Smart & streaming | ||
| Voice assistant | — | Google Assistant |
| Design & build | ||
| Earbud weight (each) | 4.2 g | — |
| Protection rating | IPX4 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Features | ||
| Hands-free calls | Yes | — |







