显示 25-27 个结果（共 27 个结果）

  • Portable 2.4G Wireless Headset Microphone for Classroom Training

    Portable 2.4G Wireless Headset Microphone for Classroom Training

    • Product Name: 2.4G Wireless Headworn Microphone

    • Available Colors: Black, White

    • Wireless Technology: 2.4G GFSK Digital Frequency-Hopping Technology

    • Modulation Mode: π/4  DQPSK

    • Frequency Range: 2400-2483MHz

    • Transmission Distance: 20 – 50 Meters (Depending on the environment)

    • Power Supply: Built-in 120mAh Polymer Battery

    • Battery Life: Approx. 6 – 8 Hours

    • Auto Power-Saving: Automatically shuts down after 45 minutes of no amplification

    • Key Functions: Volume Adjustment, Anti-Crosstalk, Auto Pairing, Auto Power-Off

    • Main Application: E-teaching systems, classroom amplification, public speaking, tour guides

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  • Professional USB Computer Microphone for PC

    Professional USB Computer Microphone for PC

    Overview USB gaming and live streaming computer microph…

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  • Dual UHF Handheld WIreless Karaoke Microphone

    Dual UHF Handheld WIreless Karaoke Microphone

    1. Technology: UHF wireless frequency conversion technology.
    2. Modulation Method: FM modulation.
    3. Microphone Frequency: A frequency: 552.5-566.5 MHz. B frequency: 572.5-586.5 MHz.
    4. Number of Frequency Channels: 15.
    5. Wireless Range: Approximately 50 meters.
    6. Microphone Power Supply: Replaceable 2 x AA batteries.
    7. Receiver battery life: Approximately 5 hours.
    8. Receiver battery capacity: Polymer 700mAh.

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