vs
8.0Battery9.4
4.5Build & features4.3
Why is TUNE 135BT better than Tune 235BT?
- Weight19 g vs 19 g+3%
Why is Tune 235BT better than TUNE 135BT?
- Driver size8.6 mm vs 12.5 mm+45%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Neckband |
| Ear cup design | — | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 8.6 mm | 12.5 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 16 Ω | 16 Ω |
| Sensitivity | 99 dB | 98 dB |
| Adjustable equaliser | Yes | Yes |
| Battery & charging | ||
| Battery life | 25 h | 25 h |
| Battery capacity | 130 mAh | — |
| Charging time | 2 h | 2 h |
| Quick charge (claimed) | — | 10 min → 3 h |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.4 |
| Bluetooth codecs | AAC, SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | Yes | Yes |
| USB-C | — | Yes |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Weight | 19 g | 19 g |
| Protection rating | IPX4 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Colours | Black | — |
| Features | ||
| Hands-free calls | Yes | Yes |
