vs
5.6Noise control & calls4.2
Why is TONE Free T90S better than Rail ANC?
- Active noise cancellingYes · Rail ANC: No
Why is Rail ANC better than TONE Free T90S?
- Total with charging case36 h vs 38 h+6%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | — | 6 mm |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Sensitivity | — | 100 dB |
| Spatial / 3D audio | Yes | — |
| Head tracking | Yes | — |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Adaptive ANC | Yes | — |
| Microphones | 4 | — |
| Noise reduction for calls | Yes | Yes |
| Battery & charging | ||
| Battery life | 9 h | — |
| Total with charging case | 36 h | 38 h |
| Charging time | 2 h | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.2 |
| Bluetooth codecs | aptX Adaptive, AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | — |
| aptX | Yes | — |
| LDAC | No | — |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | — |
| Smart & streaming | ||
| Voice assistant | Google Assistant, Siri | — |
| Companion app | Yes | — |
| Design & build | ||
| Protection rating | — | IPX4 |
| Water resistance (IPx) | — | IPx4 |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | — | Yes |
