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Philips SpeechMike Premium -LFH3500 Push Button



The Philips SpeechMike Premium -LFH3500. Highest Dragon rating ever. Programmable buttons.


Philips SpeechMike Premium -LFH3500 Push Button

Low Price Guarantee

  • Economical, push button design

  • Best in class recording

  • Free floating studio quality microphone

  • Noise filter with optimized grill

  • Motion sensing activation

    • When placed on a surface, the Philips SpeechMike Premium -LFH3500 mutes, when picked up, it activates.
    • Perfect for speech recognition applications
  • Antimicrobial Construction

    • The housing and buttons of the SpeechMike Premium are made of antimicrobial synthetics, guarding against germs.
  • Plug and Play Compatibility

    • Philips SpeechMike Premium -LFH3500 is fully backwards compatible with earlier versions.
    • Windows, Mac, Citrix, and Terminal Server compatible.


1.  New Ergonomics – New pearl-metal colored polished casing and buttons along with doubled-wall thickness in vulnerable areas, ensures durability while preventing unwanted operational noises.

2. Wing Shaped Buttons – Now with separating ribs, the new button design will assist with blind operation.

3. Scroll Wheel Functions – Configurable scroll wheel function

4. New Professional Microphone – Designed around professional studio technical standards, the new precision unidirectional studio-quality microphone offers crystal clear audio recording.

5. New Microphone Suspension – Free floating and decoupled from housing microphone helps eliminate touch and click noises for improved clarity.

6. Optimized Metal Microphone Grille – The new hexagonal grille design offers 10% more open space than round holes.

7. Integrated Noise & Pop Filters – Reduces disturbing background noise to a minimum.

8. Additional Function Buttons – Now with 4 Programmable Function buttons for personalized working.

9. Instruction Key – New programmable button offers more flexibility for speech recognition commands.

10. Integrated Motion Sensor – Can be used to avoid unintended recordings and offers additional flexibility when used with speech recognition.

11. Antimicrobial buttons – In addition to the casing, the buttons are now also antimicrobial.

12. Wear-free slide switch position detection – Metalized slider with convenient soft ribs offers a Million fold proven solution for an extra-long lifetime.

13. Larger speaker area – Provides clear and crisp audio playback.

14. Self-cleaning Stainless Steel trackball – This laser scanned, self-cleaning trackball design with dust and dirt skimmer guarantees a smooth operation over the entire lifetime.


USB: Highspeed USB 2.0

Audio recording

Microphone type: electret condenser microphone

Microphone capsule: 10 mm

Characteristic: uni-directional

Frequency response: 200 – 12 000 Hz

Sensitivity: -37 dBV

Signal-to-noise ratio: > 70 dBA


Speaker type: built-in round, dynamic speaker

Speaker diameter: 30 mm

Acoustic frequency response: 300 – 7500 Hz

Speaker output power: > 200 mW

Barcode scanner (LFH3600/3610)

Compatible bar codes: EAN, UPC, Code 11 / 39 / 93 / 128, Codabar, MSI Code, RSS, Interleaved 2 of 5, Discrete 2 of 5

Laser class: class 1 laser product

System requirements

Processor: Intel Pentium 4, 1.0 GHz or equivalent processor

RAM memory: 1 GB (2 GB recommended)

Hard disk space: 250 MB hard-disk space for Microsoft.Net Framework, 30 MB for SpeechControl software

Operating system: Windows 8/7Vista (32/64-bit), Mac OS X 10.9/10.8

Free USB port

CD-ROM drive

Graphics card: DirectX-compliant graphics card with hardware acceleration recommended

Compatible with Citrix and Windows Terminal Server environments

Green specifications

Compliant to 2002/95/EC (RoHS)

Lead-free soldered product

Operation conditions

Temperature: 5° – 45° C / 41° – 113° F

Humidity: 10 % – 90 %


Product dimensions (W × D × H): 45 × 175 × 32 mm / 1.8 × 6.9 × 1.25 inch

Weight: 0.200 kg / 0.441 lbs (LFH3500), 0.210 kg / 0.463 lbs (LFH3600, LFH3610) – including cable

Cable length: 2.5 m / 8.2 ft

Design and finishing

Material: cabinet made of high-class polymers with antimicrobial additive

Color: dark grey pearl metallic

SpeechMike Premium USB dictation microphone

USB cable (connected to device)

Microphone holder

CD-ROM containing software and user manual

Quick start guide