Headphones Tellur Voice 510N Monoaural USB Black

The Tellur Voice 510N wired monaural headset provides clear audio for professional voice communication. It features a 28 mm driver, 150 Ω impedance, and an Environmental Noise Cancellation USB adapter for improved call clarity. The headset connects via a Quick Disconnect (QD) connector and includes a QD-to-USB adapter, a protective bag and an integrated microphone suitable for use with devices that have a USB port.

Advantages

The headset offers reliable wired connectivity with a Quick Disconnect system that enables fast separation from the cable. The included USB adapter provides environmental noise cancellation and volume and mute controls directly on the cable. With a lightweight monaural design and a total cable length of 220 cm (60 cm headset cable + 160 cm USB adapter cable), it is convenient for desk-based work and call-centre environments.

Suitable for

• Office telephony and call centres
• Online meetings and video conferences
• Remote work and customer support
• Any device with a USB port requiring a single-ear headset

Key specifications

• Connectivity: QD (Quick Disconnect) with QD-to-USB adapter
• Technology: Monaural, wired
• Driver size: Φ28 mm
• Impedance (headset): 150 Ω
• Frequency response: 150 Hz – 10 MHz
• Sensitivity (headset): 123 ±3 dB
• Microphone impedance: 2.2 kΩ
• Microphone SNR: >58 dB
• Microphone sensitivity: -40 ±3 dB
• Controls: Volume control and microphone mute button
• Cable lengths: Headset cable 60 cm; USB adapter cable 160 cm; Total 220 cm
• Operating temperature: -10 °C to +40 °C
• Operating humidity: 10% – 95%
• Compatibility: Devices with USB port
• Colour: Black

How to use

Connect the headset to the QD-to-USB adapter, then plug the USB adapter into a device with a USB port. Position the monaural earpiece over one ear and adjust the microphone boom to be close to the mouth. Use the inline volume control to set the listening level and the mute button to cut the microphone when required. For best performance, ensure the USB port provides sufficient power and the adapter is fully inserted.

Recommendations

Use the Tellur Voice 510N in a stable indoor environment within the specified temperature and humidity ranges. Store the headset in the protective bag when not in use and disconnect the QD connector before transporting to reduce strain on cables and connectors.