vs
4.4Noise control & calls3.1
4.3Battery2.2
Why is SM-823D better than LinkBuds Open?
- Battery life7 h vs 4 h+75%
Why is LinkBuds Open better than SM-823D?
- Charging time2 h vs 1.5 h+33%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Open-back |
| Driver type | Dynamic | — |
| Driver size | — | 11 mm |
| Number of drivers | — | 4 |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | — | 11 Ω |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | No | No |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 7 h | 4 h |
| Total with charging case | — | 13 h |
| Battery capacity | — | 22 mAh |
| Charging time | 2 h | 1.5 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | — | 5.3 |
| Bluetooth codecs | — | LC3, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| Multipoint (two devices) | — | Yes |
| LE Audio | — | Yes |
| USB-C | — | Yes |
| Smart & streaming | ||
| Voice assistant | — | Alexa, Google Assistant, Siri |
| Design & build | ||
| Earbud weight (each) | — | 5.1 g |
| Protection rating | — | IPX4 |
| Water resistance (IPx) | — | IPx4 |
| Colours | White | — |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | — | Yes |
