vs
4.8Noise control & calls4.2
4.4Battery4.4
Why is Flex Open Earbuds better than TAA6709BK/00?
- Lowest frequency20 Hz vs 150 Hz7.5×
- Battery capacity70 mAh vs 58 mAh+21%
- Driver size12 mm vs 10 mm+20%
Why is TAA6709BK/00 better than Flex Open Earbuds?
- Total with charging case21 h vs 28 h+33%
- Water resistance (IPx)IPx4 vs IPx5+25%
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | In-ear |
| Ear cup design | Open-back | Open-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 12 mm | 10 mm |
| Lowest frequency | 20 Hz | 150 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 12 Ω | 16 Ω |
| Sensitivity | — | 91 dB |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | No | No |
| Transparency / ambient mode | Yes | — |
| Microphones | 4 | — |
| Noise reduction for calls | Yes | Yes |
| Battery & charging | ||
| Battery life | 7 h | 7 h |
| Total with charging case | 21 h | 28 h |
| Battery capacity | 70 mAh | 58 mAh |
| Charging time | 2 h | — |
| Quick charge (claimed) | 10 min → 1 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.4 |
| Bluetooth codecs | SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | — |
| Latency | 200 ms | — |
| Low-latency game mode | Yes | — |
| Smart & streaming | ||
| Voice assistant | Google Assistant, Siri | — |
| Companion app | Yes | — |
| Design & build | ||
| Weight | 49 g | — |
| Protection rating | IPX4 | IP55 |
| Water resistance (IPx) | IPx4 | IPx5 |
| Dust protection (IP) | 5 | 5 |
| Colours | Black, Teal, White | Black, Red |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | — |
