Whisper tour guide system

Product Introduction

Yingmi R8 Whisper tour guide system is a professional one-way wireless audio transmission device for group explanation and listening. It adopts high-frequency anti-interference technology, supports one-to-many stable connection, and provides clear, stable audio transmission for scenic spots, factories, museums, exhibitions and other scenes. It supports OEM/ODM customization and can meet diversified use needs of different users.

Product Parameters

Technical parameters of R8 transmitter:

Carrier frequency	865MHz-880MHz; Other frequency can  be customize
Number of channels	100 CH（Adjustable 100CH）
Communication distance	150m
Charging duration	2.5h
Weight	55.4g
Size	75*50*18mm（fuselage）
Working hours	7-10h（hour）

Technical parameters of the R8 receiver:

Carrier frequency	865MHz-880MHz; Other frequency can  be customize
Number of channels	100 CH（Adjustable 100CH）
Communication distance	200m
Charging duration	2.5h
Weight	17.3g
Size	73*48*11mm
Working hours	7-10h（hour）

Product Features

Excellent Anti-Interference Capability: Adopts 2.4GHz high-frequency band and 865MHz–880MHz customizable carrier frequency, which can effectively isolate signal interference from surrounding electronic equipment. It ensures stable and clear audio transmission even in crowded scenic spots, busy factories and complex indoor environments, with no noise or signal interruption.

Stable One-to-Many Connection: One transmitter can be quickly and stably paired with multiple receivers at the same time, supporting large-scale group guidance services. The connection is fast and not easy to drop, which perfectly meets the explanation needs of large teams such as tourist groups, factory visits and government receptions.

Long Battery Life & Fast Charging: Built-in high-performance rechargeable battery supports 7–10 hours of continuous operation, fully meeting the needs of all-day outdoor and indoor use. It only takes 2.5 hours to fully charge, which greatly improves the use efficiency and reduces the trouble of frequent charging.

Compact & Portable Ergonomic Design: The transmitter weighs only 55.4g and the receiver is as light as 17.3g, with a slim and streamlined body. It is comfortable to wear and carry for a long time, will not cause burden to tour guides and listeners, and is easy to store and transport.

Application Scenarios

1. Cultural & Public Visits

Widely used in guided tours, VIP receptions, official inspections and cultural experience activities in scenic spots, museums, historical sites, government agencies and public cultural venues. It provides stable, noise-free audio transmission, ensuring every visitor can hear explanations clearly even in crowded and noisy environments, and greatly improves the quality of cultural visits and official receptions.

2. Industrial & Corporate Environments

Perfectly supports factory tours, production line visits, industrial tourism, corporate open days and internal staff training in manufacturing plants, industrial parks, high-tech enterprises and large workshops. Its long-distance stable transmission ensures that all participants can clearly capture key information about production processes, technical features and safety guidelines, making industrial visits more professional and efficient.

3. Educational & Academic Settings

Applicable to campus open days, classroom teaching, academic lectures, research exchanges, school observation programs and student group activities. It avoids noise interference in teaching and gathering spaces, helping teachers, lecturers and researchers deliver clear voice signals to a large number of students and visitors, ensuring smooth knowledge transfer and efficient academic communication.

4. Business & Marketing Events

Ideal for product launches, international trade fairs, high-end exhibitions, brand promotion activities, VIP client receptions and business negotiations. The one-to-many connection allows speakers to convey product information, brand stories and cooperation advantages to multiple audiences simultaneously, highlighting professionalism and improving communication efficiency in busy business scenarios.

5. Exhibition & Cultural Displays

Suitable for art galleries, art exhibitions, cultural relics exhibitions, intangible cultural heritage displays and cross-cultural exchange events. It provides clear audio commentary for visitors to appreciate exhibits, helping them understand the cultural connotation and artistic value of works, and creating a quiet, focused viewing atmosphere for exhibition venues.

Product Details

Transmitter Details

The transmitter features a compact 75*50*18mm body and weighs only 55.4g, lightweight and easy to hold for long periods. It operates on 865MHz–880MHz customizable frequency with 100 adjustable channels, delivering stable 150m long-distance transmission and strong anti-interference performance. It supports 7–10 hours of continuous use with 2.5 hours fast charging, and adopts one-key operation and durable engineering plastic for easy use and long service life.

Receiver Details

The receiver is ultra-slim at 73*48*11mm and as light as 17.3g, comfortable for long-time wearing. It matches the transmitter’s 100 channels synchronously, provides Hi-Fi clear audio and 200m wider signal coverage. With 7–10 hours battery life and 2.5 hours fast charging, it has an ergonomic wearing design and stable low-power circuit, ensuring reliable performance in all scenarios.

FAQ

Q1: How many receivers can one transmitter connect to?

A1: One transmitter can stably pair with multiple receivers, supporting group sizes from 20 to 500 people to meet different scene needs.

Q2: What is the effective transmission distance of this tour guide system?

A2: The transmitter offers 150m stable transmission, and the receiver supports up to 200m signal coverage, suitable for most indoor and outdoor scenarios.

Q3: Does this system support customization?

A3: Yes, we provide OEM/ODM services including logo, frequency, battery capacity, appearance and function customization.

Q4: How long can the device work after fully charged?

A4: Both transmitter and receiver support 7–10 hours of continuous use, with only 2.5 hours fast charging time.

Q5: Will multiple systems interfere with each other when used together?

A5: No, it has 100 adjustable channels to avoid cross-frequency interference, allowing multiple sets to work simultaneously in the same venue.