| Seller's warranty | 12 months. |
| Country of origin | China |
| Type | Wireless/Wired Headphones |
| Model | DEXP BT-247 |
| Production start date | 2020 |
| Gaming headphones | no |
| Signal transmission method | Bluetooth |
| Design type | overhead |
| Headphone main color | black |
| Case material | plastic |
| Ear pad material | eco leather |
| Earcup mounting material | plastic |
| Attachment method | headband |
| Backlight | no |
| Foldable | yes |
| Child design | no |
| Headphones for monitoring | no |
| Bone conduction | no |
| Headphones for sports | no |
| Waterproof case | no |
| Design Features | Soft ear pads |
| Sound scheme format | 2.0 |
| Type of acoustic design | closed |
| Emitter membrane diameter | 37.5 mm |
| Minimum playable frequency | 20 Hz |
| Maximum playback frequency | 20000 Hz |
| Resistance (impedance) (Ohm) | 32Ω |
| Sensitivity | 103 dB |
| Power | 20 mW |
| Number of emitters on each side | 1 |
| Emitter type | dynamic |
| Microphone | yes |
| Microphone location | in the body |
| Detachable microphone | no |
| Microphone mount | fixed |
| Minimum microphone playback frequency | 50 Hz |
| Maximum microphone playback frequency | 16000 Hz |
| Microphone sensitivity | -42 dB |
| Noise canceling microphone | no |
| Connector for connecting to the device | jack 3.5 mm |
| Detachable cable | yes |
| Cable length | 1.2 m |
| Cable plug shape | straight |
| Bluetooth version | 5.0 |
| Bluetooth Profiles | A2DP |
| Codec support | SBC |
| Wireless range | 10m |
| Active noise cancellation system | no |
| Transparent mode (Talk Through) | no |
| Control type | mechanical |
| Volume control | yes |
| Key functions | turn on/off headphones, play/pause, answer/end calls, switch music tracks, switch modes |
| Smartphone control | no |
| Low Latency Mode | No |
| Charge indicator type | LED |
| Maximum number of audio sources | 1 piece |
| Functional features | built-in MP3 player |
| Operating time on one charge | up to 7 hours |
| Headphone battery capacity | 300 mAh |
| Wireless charging support | no |
| Fast charging | no |
| Charging connector | Micro-USB |
| Availability of charging cable | yes |
| Contents | documentation, cable jack 3.5 mm (M) - jack 3.5 mm (M), cable micro-USB (M) - USB Type-A (M) |
| Weight | 181.7 g |