vs
6.9Noise control & calls9.2
7.8Battery7.0
Why is Tune 670NC better than RB-M600BE?
- Battery life70 h vs 65 h+8%
- Charging time2 h vs 4 h2×
- Driver size32 mm vs 30 mm+7%
Why is RB-M600BE better than Tune 670NC?
- Battery life with ANC44 h vs 50 h+14%
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 | 30 mm |
| Number of drivers | 1 | — |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Impedance | 32 Ω | — |
| Sensitivity | 98 dB | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 70 h | 65 h |
| Battery life with ANC | 44 h | 50 h |
| Charging time | 2 h | 4 h |
| Quick charge (claimed) | 5 min → 3 h | — |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| Bluetooth codecs | — | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Weight | 174 g | — |
| Foldable | Yes | — |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | — |
