vs
7.2Noise control & calls7.2
8.9Battery7.7
4.2Build & features8.3
Why is TE-J2 better than LIVE Buds 4?
- Battery life12 h vs 10 h+20%
- Charging time1.5 h vs 2 h+33%
- Driver size11 mm vs 10 mm+10%
Why is LIVE Buds 4 better than TE-J2?
- Water resistance (IPx)IPx4 vs IPx5+25%
- Bluetooth version5.3 vs 6+13%
- Earbud weight (each)5.5 g vs 4.8 g+15%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Driver type | Dynamic | Dynamic |
| Driver size | 11 mm | 10 mm |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 40,000 Hz |
| Impedance | — | 16 Ω |
| Sensitivity | — | 106 dB |
| Spatial / 3D audio | Yes | — |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | Yes |
| Battery & charging | ||
| Battery life | 12 h | 10 h |
| Battery life with ANC | — | 8 h |
| Total with charging case | 52 h | — |
| Charging time | 1.5 h | 2 h |
| Fast charging support | Yes | — |
| Wireless charging (case) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 6 |
| Bluetooth codecs | LDAC, AAC, SBC | LDAC, LC3, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | No | No |
| LDAC | Yes | Yes |
| Multipoint (two devices) | Yes | Yes |
| LE Audio | — | Yes |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | 5.5 g | 4.8 g |
| Protection rating | IPX4 | IP55 |
| Water resistance (IPx) | IPx4 | IPx5 |
| Dust protection (IP) | — | 5 |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
