| General |
| Model | WH-CH720N |
| Product series | Sony |
| Warranty (months) | 24 |
| Audio system |
| Recommended use | Portable electronics |
| Type | Headphones |
| Max operating range | 10 m |
| Bluetooth audio codec | SBC, AAC |
| Audio output |
| Ear part type for headphones | Full size |
| Wireless technology | Bluetooth |
| Headphone cup type | Closed |
| Frequency response | 7 - 20000 Hz |
| Sound mode | Stereo |
| Bluetooth version | Bluetooth 5.2 |
| Sensitivity | 108 dB |
| Active noise cancellation technology | Ambient Sound Mode / Dual Noise Sensor |
| Detachable cable | Yes |
| Cable length | 1.2 m |
| Driver diameter | 30 mm |
| Plated connector | Gold |
| Headphone technology | Dynamic |
| Adjustable headband | Yes |
| Connectivity interface | 3.5 mm jack |
| Number of parallel connected devices | 2 |
| Available microphone | Yes |
| Active noise suppression | Yes |
| Connection | Wired, Wireless |
| Details | Precise Voice Pickup Technology, Processor V1, MultiPoint Technology, Microsoft Swift Pair, Automatic Wind Noise Reduction, Google Fast Pair, Adaptive mode |
| Controls | Voice assistant, Volume, Play/pause, Skip track |
| Sound effects | Digital Sound Enhancement Engine (DSEE), 360 Reality Audio |
| Audio input |
| Microphone form factor | Built-in |
| Microphone operating method | Beamforming |
| Battery |
| Type | Headphone battery |
| Rechargeable battery | Rechargeable |
| Battery life (up to) | 50 hour(s) |
| Charging time | 3.5 hour(s) |
| Internet of Things (IoT) |
| compatible with Internet of Things (IoT) | Yes |
| Voice controlled | Directly |
| Intelligent assistant | Alexa, Google Assistant |
| Miscellaneous |
| Construction material | Recycled plastic |
| Color category | Black |
| Color | Black |
| Bluetooth profiles | Audio/Video Remote Control Profile (AVRCP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Hands-Free Profile (HFP) |
| Included accessories | USB-C cable, 3.5 mm audio cable |
| Connections |
| Connection type | USB (power only) (USB Type-C), Headphones (mini jack stereo 3.5 mm) |
| Cable details |
| Cable details | Headphone cable - detachable - 1.2 m, USB-C cable - detachable |
| Runtime details |
| Runtime details | Continuous talk: up to 40 hours, Sustained playback: up to 50 hours, Continuous talk (noise cancellation ON / Bluetooth): up to 35 hours, Sustained playback (noise cancellation ON / Bluetooth): up to 35 hours |