vs
7.2Noise control & calls5.6
7.8Battery6.6
Why is Tune Flex 2 Ghost Edition better than TONE Free T90S?
- Battery life12 h vs 9 h+33%
Why is TONE Free T90S better than Tune Flex 2 Ghost Edition?
- Total with charging case24 h vs 36 h+50%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 12 mm | — |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Impedance | 13 Ω | — |
| Sensitivity | 98 dB | — |
| Spatial / 3D audio | — | Yes |
| Head tracking | — | Yes |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Adaptive ANC | — | Yes |
| Transparency / ambient mode | Yes | — |
| Microphones | — | 4 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 12 h | 9 h |
| Battery life with ANC | 8 h | — |
| Total with charging case | 24 h | 36 h |
| Charging time | — | 2 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| Bluetooth codecs | — | aptX Adaptive, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | Yes |
| aptX | — | Yes |
| LDAC | — | No |
| Multipoint (two devices) | — | Yes |
| USB-C | — | Yes |
| Smart & streaming | ||
| Voice assistant | Google Assistant | Google Assistant, Siri |
| Companion app | — | Yes |
| Design & build | ||
| Protection rating | IP54 | — |
| Water resistance (IPx) | IPx4 | — |
| Dust protection (IP) | 5 | — |
| Features | ||
| Touch controls | — | Yes |








