vs
3.0Noise control & calls7.2
9.5Battery8.9
9.7Build & features3.9
Why is FreeClip 2 better than GLASS Core KH-CRZ90T?
- Battery life38 h vs 17 h2.2×
- Water resistance (IPx)IPx7 vs IPx4+75%
- Earbud weight (each)5.1 g vs 5.8 g+15%
- Driver size10.8 mm vs 10 mm+8%
Why is GLASS Core KH-CRZ90T better than FreeClip 2?
- Active noise cancellingNo · FreeClip 2: Yes
- Hi-res codec (LDAC / aptX HD / LHDC)No · FreeClip 2: Yes
- LDACNo · FreeClip 2: Yes
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | In-ear |
| Ear cup design | Open-back | Closed-back |
| Driver type | Dynamic | — |
| Driver size | 10.8 mm | 10 mm |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Transparency / ambient mode | — | Yes |
| Battery & charging | ||
| Battery life | 38 h | 17 h |
| Battery capacity | 60 mAh | — |
| Charging time | — | 2 h |
| Wireless charging (case) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 6 | 6 |
| Bluetooth codecs | AAC, SBC | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | Yes |
| aptX | No | No |
| LDAC | No | Yes |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | — |
| Design & build | ||
| Earbud weight (each) | 5.1 g | 5.8 g |
| Protection rating | IP57 | IPX4 |
| Water resistance (IPx) | IPx7 | IPx4 |
| Dust protection (IP) | 5 | — |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |









