Clear sound quality
8 languages supported
9999 audio segments storage
RFID + NFC induction
One-tap easy operation
Product Introduction
This C7 RFID self-guided audio guide integrates RFID automatic sensing and NFC tap-to-play technology. It supports up to 9999 audio explanations and 8 languages, bringing a free, intelligent self-guided experience for visitors. It features intuitive one-tap operation with no complex setup, making it easy for visitors of all ages to use. Lightweight and easy to carry, it is perfectly suitable for small-distance exhibition venues such as museums and art galleries. It delivers clear, stable audio without background interference to create an immersive visiting experience. We also provide professional OEM/ODM customization to meet different project needs.

Product Parameters
Technical parameters of C7 transmitter:
| capacity | store 9999 segments of explanation words |
| Carrier frequency | 860MHz-870MHz |
| Language | 8 languages |
| Battery capacity | 800mAh |
| Weight | 50g |
| Size | 65(L)*13mm(W)*104mm(H) |
| Working hours | ≥10h(HOUR) |

Technical parameters of the C7 receiver:
| Signal strength | Support 16 levels |
| Signal number | 9999 |
| Coverage | 40m |
| Size | 40*40*20mm |
| Weight | 27g |
| Battery operating time | ≥12month |

Product Features
Dual RFID & NFC Induction Technology:It integrates RFID automatic sensing and NFC tap-to-play for stable, accurate trigger. Visitors can get instant exhibit explanations with one simple tap, no complex operation required.
Large Capacity & Multi-Language Support:It stores up to 9,999 audio segments and supports 8 languages to serve global visitors. The large storage avoids frequent content updates and fits large-scale exhibition demands.
Lightweight & Portable Design:The receiver is only 50g with a slim body, easy to hold and wear for hours. Its compact size brings no extra burden and improves visitor comfort during tours.
Flexible OEM/ODM Customization:We support custom logo, frequency, battery capacity and functions. Personalized solutions can be made to match different exhibition scenarios and project needs.

Application Scenarios
Museums & Art Galleries: Ideal for venues with close exhibits, visitors tap to listen freely.
Historical & Heritage Sites: Trigger audio by location, avoid broadcast noise interference.
Science & Technology Museums: Support fast content update, strong anti-interference.
Automotive Showrooms: Play exclusive commentary for car models during exhibitions.
Tourist Sightseeing Vehicles: Automatic location-based explanation for buses, boats and trams.

Product Details
Receiver Details
Compact body: 104*65*13mm, only 50g, easy to hold and carry.
NFC induction area: Special bottom induction zone, fast and accurate tap trigger.
Stable performance: 860MHz-870MHz frequency, clear audio transmission without delay.
Transmitter Details
Ultra-small size: 40*40*20mm, 27g light weight, easy to install and hide.
Long standby: Battery life up to 12 months, reduce frequent charging.
Strong coverage: 40m effective signal range, adapt to different exhibition spaces.
System Operation Details
Visitors wear the C7 receiver, gently touch the NFC tag card at the exhibit with the receiver, then the device will automatically play the corresponding exhibit explanation. The operation is simple and intuitive, no professional operation required.



FAQ
Q1: How many audio explanations can the C7 store?
A1: It supports pre-storing up to 9999 segments of audio explanations.
Q2: How many languages does this audio guide support?
A2: It supports 8 different languages to meet international visiting needs.
Q3: Can we customize the product logo and functions?
A3: Yes, we provide complete OEM/ODM customization services for logo, frequency, battery capacity, material and functions.
Q4: What is the working time of the C7 receiver?
A4: The 800mAh battery supports up to 10 hours of continuous working.
Q5: What is the signal coverage range of the transmitter?
A5: The effective coverage distance of the transmitter is 40 meters.



