HARPER HB-500 Wireless Headphones
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| Design: | Invoices |
| Description: | Design: on-ear, device type: wireless headphones, design features: for sports, microphone, acoustic design type: closed, functions: volume control, operating time: 6 hours |
| Additional Information: | Range: 10 m; Custom Design: Yes; LED indicator: yes |
| Functions: | Volume control |
| Working hours: | 6 h |
| Battery capacity: | 100 mAh |
| Standby time: | 30 h |
| Impedance: | 24 ohm |
| Sensitivity: | 112 dB |
| Design features: | For sports, microphone |
| Charging time: | 1.5 h |
| Device type: | Wireless headphones |
| Mount type: | Occipital arch |
| Maximum playback frequency: | 20000 Hz |
| Minimum repeatable frequency: | 20 Hz |
| Type of acoustic design: | Closed |
| Wireless connection type: | Bluetooth |