500Meter Over-ear Folding LED Silent Disco Headphones RF890


500Meter Over-ear Folding LED Silent Disco Headphones RF890
1) Optimized headphone design to ensure headphone signal reception up to 500 meters in the open space(True & Effective distance);
2) More compact design, palm-sized after folding, convenient for carrying & storing;
3) More Uniform and brighter illumination for easier channel indication;
4) Top head-strap is made from high-tenacity rubber, which is very flexible & durable;
5) 850mAh Grade-A Li-polymer rechargeable battery(Built-in), headphone playtime over 9 hours(fully charged), 2.5 hour faster charging;
6) Innovative speaker cavity design, plus the powerful 40mm dynamic driver units, deliver the unbeatable HD crystal clear sound;
7) Easy to check the remaining battery power, so that you can quickly sort out which headphones needs charging;
8) International design patent protection is available;
  • System: UHF/RF
  • Modulation: FM
  • Mode: Stereo
  • Channel option: 3-5 channels
  • Signal-to-noise ration: >75dB
  • THD: <1%
  • Speaker: 40mm mylar
  • Frequency response: 20-15000Hz
  • Channel separation: >40dB
  • Operation time: over 9 hours
  • Power supply of headphone: 850mAh Rechargeable Lithium-Polymer battery

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