vs
6.8Battery5.0
Why is Sleepbuds II better than CX 400BT True Wireless CX400TW1?
- Battery life10 h vs 7 h+43%
- Earbud weight (each)2.3 g vs 12 g5.3×
Why is CX 400BT True Wireless CX400TW1 better than Sleepbuds II?
- Charging time6 h vs 1.5 h4×
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | — | 7 mm |
| Lowest frequency | — | 5 Hz |
| Highest frequency | — | 21,000 Hz |
| Sensitivity | — | 107 dB |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | No | — |
| Battery & charging | ||
| Battery life | 10 h | 7 h |
| Charging time | 6 h | 1.5 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 5.1 |
| Bluetooth codecs | — | aptX, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | Yes |
| LDAC | — | No |
| USB-C | — | Yes |
| Design & build | ||
| Earbud weight (each) | 2.3 g | 12 g |
| Colours | White | — |
| Features | ||
| Hands-free calls | — | Yes |
Related comparisons
vs
Sony WF-XB700vsBose Sleepbuds II5.05.0
vsFiiO FW1 FIO-FW1vsBose Sleepbuds II
vs
Apple AirPods 3vsSennheiser CX 400BT True Wireless CX400TW1
vsJVC WOOD HA-FW1000TvsSennheiser CX 400BT True Wireless CX400TW1vsSony WF-XB700vsSennheiser CX 400BT True Wireless CX400TW1
vsTechnics EAH-AZ70WvsSennheiser CX 400BT True Wireless CX400TW1