vs
7.4Battery9.7
2.3Build & features2.6
Why is Ultra Open Earbuds (2nd Gen) better than earU ER-100PT?
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · earU ER-100PT: No
- Charging time1 h vs 1.5 h+50%
Why is earU ER-100PT better than Ultra Open Earbuds (2nd Gen)?
- Battery life9 h vs 14 h+56%
- Earbud weight (each)10 g vs 8 g+25%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Open-ear |
| Ear cup design | Closed-back | Open-back |
| Driver type | Dynamic | Dynamic |
| Driver size | — | 10 mm |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | No | — |
| Microphones | 2 | — |
| Battery & charging | ||
| Battery life | 9 h | 14 h |
| Charging time | 1 h | 1.5 h |
| Wireless charging (case) | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.4 |
| Bluetooth codecs | aptX Adaptive, AAC, SBC | aptX, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | No |
| aptX | Yes | Yes |
| LDAC | No | No |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Earbud weight (each) | 10 g | 8 g |
| Protection rating | IPX4 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Features | ||
| Hands-free calls | Yes | Yes |
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