Why is Pi7 S2 better than JOY?
- Battery life5 h vs 4 h+25%
- Total with charging case21 h vs 12 h+75%
- Lowest frequency10 Hz vs 20 Hz2×
Why is JOY better than Pi7 S2?
- Earbud weight (each)7 g vs 3.2 g2.2×
- Bluetooth version5 vs 5.2+4%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 9.2 mm | — |
| Lowest frequency | 10 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | — | 32 Ω |
| Sensitivity | — | 126 dB |
| Noise control | ||
| Active noise cancelling | No | No |
| Transparency / ambient mode | Yes | — |
| Battery & charging | ||
| Battery life | 5 h | 4 h |
| Total with charging case | 21 h | 12 h |
| Battery capacity | — | 35 mAh |
| Charging time | 1 h | — |
| Quick charge (claimed) | 15 min → 2 h | — |
| Fast charging support | Yes | — |
| Wireless charging (case) | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 5.2 |
| Bluetooth codecs | aptX Adaptive, aptX, AAC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | — |
| aptX | Yes | — |
| LDAC | No | — |
| USB-C | Yes | — |
| Low-latency game mode | Yes | — |
| Smart & streaming | ||
| Voice assistant | Google Assistant, Siri | — |
| Design & build | ||
| Earbud weight (each) | 7 g | 3.2 g |
| Protection rating | IP54 | — |
| Water resistance (IPx) | IPx4 | — |
| Dust protection (IP) | 5 | — |
| Colours | — | Purple |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | Yes |
