Why is Pi7 S2 better than Gemini II?
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · Gemini II: No
- Charging time1 h vs 1.5 h+50%
Why is Gemini II better than Pi7 S2?
- Active noise cancellingNo · Pi7 S2: Yes
- Lowest frequency10 Hz vs 5 Hz2×
- Total with charging case21 h vs 22 h+5%
- Bluetooth version5 vs 5.2+4%
- Earbud weight (each)7 g vs 6 g+17%
- Driver size9.2 mm vs 10 mm+9%
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 | 10 mm |
| Lowest frequency | 10 Hz | 5 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Sensitivity | — | 120 dB |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Transparency / ambient mode | Yes | Yes |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 5 h | 5 h |
| Total with charging case | 21 h | 22 h |
| Charging time | 1 h | 1.5 h |
| Quick charge (claimed) | 15 min → 2 h | — |
| Fast charging support | Yes | — |
| Wireless charging (case) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 5.2 |
| Bluetooth codecs | aptX Adaptive, aptX, AAC | aptX, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | No |
| aptX | Yes | Yes |
| LDAC | No | No |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | Yes |
| Low-latency game mode | Yes | — |
| Smart & streaming | ||
| Voice assistant | Google Assistant, Siri | — |
| Design & build | ||
| Earbud weight (each) | 7 g | 6 g |
| Protection rating | IP54 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Dust protection (IP) | 5 | — |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |









