Dell WH125 Wired USB Headset
PRODUCT DESCRIPTION
Dell Wired Headset - WH125 (520-BBLT) - Local Dell Warranty
Plug-In Audio for Every Desk
The Dell Wired Headset WH125 connects over a single USB-A cable (2.1 m) — no pairing and no charging — making it an easy standard issue for offices, call centres and classrooms.
Clear Voice on Calls
A noise-cancelling, uni-directional electret boom microphone rotates 270°, while 27 mm speaker drivers cover 20 Hz – 20 kHz for calls and meetings.
Controls Within Reach
The in-line controller handles mic mute/unmute, volume up/down and audio on/off, and the headset works with Microsoft Teams, Zoom and other leading UC platforms.
Buying for an office roll-out? Email sales@sourceit.com.sg for volume pricing and delivery lead time.
Dell WH125 Datasheet — Technical Specifications
General
| Product Name | Dell Wired Headset - WH125 |
| Model | WH125 |
| Dell SKU (Singapore) | 520-BBLT |
| Colour | Black |
| Local Warranty (Singapore) | Dell datasheet: 3 Year Limited Hardware with Advanced Exchange Service. Singapore term to be confirmed with SourceIT sales; supplied with a GST invoice |
Audio
| Speaker Driver | 27 mm |
| Frequency Response | 20 Hz – 20 kHz |
| Earpiece Sensitivity | 117 dB ±3 dB |
| Impedance | 32 Ohm |
| Noise Cancelling | Passive |
Microphone
| Type | Electret condenser, noise-cancelling, uni-directional boom microphone |
| Rotation | 270° |
| Frequency Response | 100 Hz – 10 kHz |
| Sensitivity | -46 dBV/Pa |
| SNR | 61 dB |
Connectivity & Controls
| Connection | Wired, USB-A |
| Cable Length | 2.1 m (82 in) |
| Controls | In-line: mute/unmute mic, volume +/-, audio on/off; LED indicator |
Design
| Form Factor | On-ear |
| Headband / Ear Cushion | Plastic / leatherette |
| Weight | 125 g |
Compatibility & Software Support
Operating Systems
Windows 11 / 10 (64-bit) and macOS, per the Dell datasheet.
UC Platforms
Works with Microsoft Teams, Zoom and other leading UC platforms.
Setup
Plug-and-play over USB-A; no receiver, pairing or charging needed.
Package Contents & Dell Headsets Ordering Information
Datasheet & Downloads
| Dell datasheet | Dell Wired Headset WH125 Datasheet (PDF) |
| Manuals & drivers | WH125 manuals on Dell Support |
Need a PDF sent directly? Email sales@sourceit.com.sg quoting WH125.
Frequently Asked Questions — Dell WH125
Does it need a dongle or charging?
No. It plugs straight into a USB-A port and draws power from the PC.
How far does the microphone boom move?
The boom microphone rotates 270°.
Does it work with Teams and Zoom?
Dell lists it as working with Microsoft Teams, Zoom and other leading UC platforms.
Is it wireless?
No. For wireless see the WL3024 or the ANC-equipped WL5024.
What warranty do I get?
Dell's datasheet states a 3-year Limited Hardware warranty with Advanced Exchange Service; please confirm the Singapore term with sales@sourceit.com.sg before ordering.





