Why is JOY better than Wave Flex?
- Charging time1.5 h vs 2 h+33%
- Driver size14.2 mm vs 12 mm+18%
Why is Wave Flex better than JOY?
- Active noise cancellingNo · JOY: Yes
- Battery life4 h vs 8 h2×
- Total with charging case12 h vs 32 h2.7×
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | — |
| Driver size | 14.2 mm | 12 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 32 Ω | 16 Ω |
| Sensitivity | 126 dB | 105 dB |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Battery & charging | ||
| Battery life | 4 h | 8 h |
| Battery life with ANC | — | 8 h |
| Total with charging case | 12 h | 32 h |
| Battery capacity | 35 mAh | — |
| Charging time | 1.5 h | 2 h |
| Quick charge (claimed) | — | 10 min → 2 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.2 |
| Bluetooth codecs | SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| USB-C | Yes | — |
| Design & build | ||
| Earbud weight (each) | 3.2 g | — |
| Protection rating | IPX4 | IP54 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Dust protection (IP) | — | 5 |
| Colours | Purple | — |
| Features | ||
| Hands-free calls | Yes | Yes |
