High-quality Wireless tour guide system

L7 Product Introduction:

The YINGMI L7 is a premium dual‑band wireless tour guide system engineered for crystal‑clear audio, exceptional range, and all‑day comfort. Combining UHF 663–694 MHz and 2.4 GHz frequencies, it delivers stable, interference‑free transmission up to 200 meters. With a featherlight 16g receiver, 20‑hour transmitter battery life, and professional‑grade audio processing, the L7 sets a new standard for high‑quality guided tours in museums, factories, conferences, and outdoor venues.

Product Parameters (Specification):

Transmitter (L7-T)

Receiver (L7-R, Ear-mounted)

Product Feature and Application:

Core Features

Feather-Light Comfort: At only 16g, the L7 is so light your guests will forget they are wearing it, ensuring a fatigue-free "High-quality" experience.

Crystal Clear Audio: Advanced digital noise-reduction technology filters out background distractions, delivering the guide's voice directly and clearly.

Hygienic Non-In-Ear Design: The receiver stays outside the ear canal, promoting hygiene and safety for public use.

Smart Management: Supports one-button frequency pairing and collective shutdown, saving time for tour organizers.

Application Scenarios

VIP Government Receptions: Professional and dignified audio for high-level visitors.

Museums & Art Galleries: Immersive, silent guidance that preserves the venue's atmosphere.

Industrial Tourism: Strong signal penetration even in bustling factory environments.

Religious Pilgrimages: Reliable communication for large outdoor groups.

Product Details:

Premium Build: The L7 features a sleek, professional aesthetic with high-durability housing to withstand daily use.

Visual Monitoring: The transmitter is equipped with a high-definition LCD screen showing channel, volume, and battery status.

Intelligent Charging: Compatible with the HM-EB series contact-type charging box, which uses smart voltage management to extend the lifespan of the internal batteries.

Professional Storage: Fits into our custom-molded aluminum alloy cases with shock-absorbing silicone to ensure safe transport.

Packing and Shipping:

HEFEI HUMANTEK. CO., LTD. a part of YingTe Group,is a leading manufacturer of audio guide and tour guide system in China,Established in 2002,Located in Electrical and Mechanical Industrial Park of Hefei High-tech Zone,ANHUI,CHINA. With more than 30,000 square meters workshop.We are specialised in producing tourism electronic product,develop and produce intelligent Audio Guide product,and also provide a full range of technical support and services.

With our strong technical strength,Our products have advantages of Long transmission distance,low interference,portable and reliable performance which can be widely used in Tourists,museums,travel companies,factories,government agencies and technology center.

    Our company                                                                                                            

We have passed ISO9001:2000 quality management system. Products are approved CE certificate by SGS. It enables the selling in different markets expediently and simply.

We have more than 200 employees, inclued 20 engineers, and 10 technicians, Our production capacity is about audio guide/tour guide system sets 2,0000 sets/monthly. Our products are exported to more than 70 countries and regions, mainly in Europe, South Asia, Africa, South America, Middle east area.

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