Key Specifications
Choose one or multiple features to search for items that have the same specifications.| Ports & interfaces | |
| Connectivity technology | Wired |
| Bluetooth | ![]() |
| USB connectivity | ![]() |
| 3.5 mm connector | ![]() |
| RF connectivity | ![]() |
| Weight & dimensions | |
| Weight | 70 g |
| Height | 160 mm |
| Width | 145 mm |
| Depth | 50 mm |
| Packaging data | |
| Package weight | 144 g |
| Package depth | 50 mm |
| Package height | 190 mm |
| Package width | 160 mm |
| Microphone | |
| Microphone frequency | 30 - 16000 Hz |
| Microphone mute | ![]() |
| Microphone input impedance | 2200 Ω |
| Microphone type | Boom |
| Folding microphone | ![]() |
| Detachable microphone | ![]() |
| Microphone noise-canceling | ![]() |
| Headphones | |
| Headphone frequency | 20 - 20000 Hz |
| Headphone sensitivity | 108 dB |
| Impedance | 32 Ω |
| Driver unit | 3 cm |
| Ear coupling | Supraaural |
| Noise canceling | ![]() |
| Battery | |
| Battery charge indicator | ![]() |
| Other features | |
| Digital Signal Processing (DSP) | ![]() |
| Performance | |
| Cable length | 2 m |
| Product colour | Black |
| Volume control | Rotary |
| Control type | In-line control |
| Country of origin | China |
| Detachable cable | ![]() |
| Headset type | Binaural |
| Wearing style | Head-band |
| Operating keys | Volume +, Volume - |
| Recommended usage | Office/Call center |
| Product type | Headset |
| In-line control unit | |
| Logistics data | |
| Master (outer) case height | 420 mm |
| Master (outer) case width | 160 mm |
| Master (outer) case gross weight | 6.46 kg |
| Quantity per pack | 1 pc(s) |
| Master (outer) case length | 50 mm |
| Products per master (outer) case | 40 pc(s) |
| Harmonized System (HS) code | 85183000 |
| Commodity code | 8518300090 |
| Supplier features | |
| Material | Plastic |
| EAN | 7333048030641 |
The DELTACO HL-21 is a wired, on-ear headset designed for professional and general computer use. It is equipped with 30mm stereo drivers that cover a frequency range of 20 to 20,000 Hz, with a sensitivity of 108 dB. The lightweight 47g construction and adjustable headband are intended to provide a comfortable fit during extended periods of use. Connection to a computer or other compatible device is established via a standard 3.5mm audio jack, and the integrated 2-meter cable offers sufficient length for most desktop setups.
This headset incorporates a boom-style microphone positioned for direct voice pickup during calls and online meetings. The microphone captures audio within a frequency range of 30 to 16,000 Hz. For user convenience, the cable features an in-line control unit that allows for simple rotary volume adjustment and includes a dedicated switch to mute the microphone. The build is primarily plastic, contributing to the device's overall low weight and suitability for daily office tasks.
Key Features:- On-ear headset with an adjustable headband
- Wired connectivity via a 3.5mm jack
- Equipped with 30mm stereo drivers
- Boom microphone for voice communication
- In-line controls for volume and microphone mute
- Lightweight 47g plastic frame
- Fixed 2-meter cable length
Estimated delivery: 22.12 - 23.12
Today: 10:00 - 18:00
Estimated delivery: 22.12 - 23.12
Today: 09:00 - 17:00
Estimated delivery: 22.12 - 23.12
Today: 10:00 - 17:00
Estimated delivery: 22.12 - 23.12
Today: 10:00 - 18:00
Estimated delivery: 22.12 - 23.12
Today: 10:00 - 18:00
Estimated delivery time: 22.12 - 23.12
Estimated delivery time: 23.12
Estimated delivery time: 22.12
Estimated delivery time: 23.12
Estimated delivery time: 23.12
Estimated delivery time: 22.12 - 23.12
Estimated delivery time: 22.12 - 23.12
Estimated delivery time: 23.12


