| Item # | 183263 |
| Manufacturer # | H251BTBLACK |
| Bluetooth | Bluetooth |
| brand name | QFX |
| color | Black |
| Compatibility | Bluetooth V3.0+EDRBluetooth Profile:A2DP; AVRCP |
| Driver Size | 1.57" |
| Earpiece Design | over the head |
| earpiece style | Binaural |
| form factor | Circumaural |
| Host Interface | Mini-phone |
| impedance | 32 ohm |
| Integrated Microphone | Yes |
| manufacturer | QFX, Inc |
| Maximum Battery Run Time | 10 Hour |
| Maximum Frequency Response | 20 kHz |
| Minimum Frequency Response | 20 Hz |
| Sound Mode | Stereo |
| standby time | 300 Hour |
| warranty length | 1-year limited |
| wireless | Wired/Wireless |
| Wireless Operating Distance | 32.8 ft |
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