{"product_id":"puluz-portable-wireless-teaching-microphone-voice-amplifier","title":"PULUZ Portable Wireless Teaching Microphone Voice Amplifier","description":"\u003cb\u003eFeature\u003c\/b\u003e\u003cbr\u003e1. DSP Anti-Howling Noise Reduction: Built-in DSP smart chip active noise cancellation prevents harsh feedback, high-frequency squeals, and background noise distortion. Ensures smooth, natural, and crisp sound reproduction for professional teaching and presentations. \u003cbr\u003e2. High-Performance Battery: Powered by a high-capacity lithium battery to deliver long-lasting operational time. Ideal for all-day teaching schedules, long tours, outdoors, and continuous public speaking without frequent recharging. \u003cbr\u003e3. Versatile USB-A Playback \u0026amp; Bluetooth: Functions as both a voice amplifier and a portable Bluetooth speaker. Features an added USB-A port that supports U-disk direct plug-and-play music\/audio playback alongside wireless Bluetooth connectivity for versatile teaching materials. \u003cbr\u003e4. Ultra-Compact \u0026amp; Handheld Portability: Ergonomically crafted with an ultra-lightweight, handheld design that easily fits into the palm of your hand. Highly portable for teachers, tour guides, fitness instructors, and coaches on the move. \u003cbr\u003e5. Large Speaker: Equipped with a powerful magnet speaker driver that delivers loud, crystal-clear projection with strong anti-interference performance. Project your voice effortlessness across classrooms or large spaces while protecting your vocal cords from strain.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSpecification\u003c\/b\u003e\u003cbr\u003e1. Material: ABS plastic \u003cbr\u003e2. Charging input: 5V\/0.1A \u003cbr\u003e3. Wireless operating frequency: 2.4GHz-2.4835GHz \u003cbr\u003e4. Microphone sensitivity: -40dB (unidirectional) \u003cbr\u003e5. Frequency response: 100Hz-10KHz \u003cbr\u003e6. Signal-to-noise ratio: 65dB \u003cbr\u003e7. Microphone operating power consumption: 18mA \u003cbr\u003e8. Microphone power-off consumption: 0.2uA \u003cbr\u003e9. Receiver operating power consumption: 200-400mA \u003cbr\u003e10. Receiver power-off consumption: 3uA \u003cbr\u003e11. Microphone battery: 120mAh \u003cbr\u003e12. Receiver battery: 1800mAh \u003cbr\u003e13. Speaker: 4 ohm, 5W \u003cbr\u003e14. Supports wireless connection, wired external microphone, Micro SD card playback, USB flash drive playback, and Bluetooth playback \u003cbr\u003e15. Weight: 175g\u003cbr\u003e\u003cbr\u003e","brand":"QKOO","offers":[{"title":"Default Title","offer_id":43576213569598,"sku":"PU3135Q","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0073\/6890\/0665\/files\/PU3135Q.jpg?v=1789107865","url":"https:\/\/qkoocameraaccessories.com\/products\/puluz-portable-wireless-teaching-microphone-voice-amplifier","provider":"QKOO","version":"1.0","type":"link"}