6.9Noise control & calls6.9
7.8Battery7.8
6.3Connectivity6.3
Why is Tune 670NC better than Tune 770NC?
- Weight174 g vs 232 g+33%
Why is Tune 770NC better than Tune 670NC?
- Driver size32 mm vs 40 mm+25%
Specifications
Side by side
| Sound | ||
| Fit | On-ear | Over-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 32 mm | 40 mm |
| Number of drivers | 1 | 1 |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 32 Ω | 32 Ω |
| Sensitivity | 98 dB | 100 dB |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | Yes |
| Noise reduction for calls | Yes | Yes |
| Battery & charging | ||
| Battery life | 70 h | 70 h |
| Battery life with ANC | 44 h | 44 h |
| Charging time | 2 h | 2 h |
| Quick charge (claimed) | 5 min → 3 h | 5 min → 1 h |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Voice assistant | — | Alexa, Google Assistant |
| Companion app | Yes | Yes |
| Design & build | ||
| Weight | 174 g | 232 g |
| Foldable | Yes | Yes |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | Yes |
