2026
No notable changes in the key specs.
WH-CH730N vs WH-CH735N — full comparison2026
Better than WH-CH720N
- Battery life 50 h → 75 h
- Battery life with ANC 32 h → 50 h
- Bluetooth version 5.2 → 6
- Lowest frequency 7 Hz → 6 Hz
Worse
WH-CH720N vs WH-CH730N — full comparison- Weight 192 g → 207 g
2023
Better than WH-CH710N
WH-CH710N vs WH-CH720N — full comparison- Battery life 35 h → 50 h
- Charging time 7 h → 3.5 h
- Weight 223 g → 192 g
- Bluetooth version 5 → 5.2
2020
The first generation in our catalog.