One-to-many tour guide system for scenic spots

L7 Product Introduction:
 Yingmi L7 is a high-performance team guide system tailored for multi-scenario voice transmission. Boasting 150 adjustable channels, strong anti-interference via UHF 794-806 MHz frequency, and a lightweight non-in-ear design, it supports seamless one-to-many/many-to-many communication. With ≥8 hours of battery life and batch charging capability, it’s ideal for scenic spots, museums, corporate visits, and large conferences, trusted by over 4,000 global clients. 

                  
Product Parameters (Specification):
 

Transmitter (L7-T)

Receiver (L7-R, Ear-mounted)

Product Feature and Application:

Core Features

• 150 Channels for Multi-team Use: Supports up to 150 parallel teams without cross-talk, ideal for crowded scenarios like large conferences or scenic spots.
• Strong Anti-interference: UHF high-frequency band (794-806 MHz) + zero-delay radio receiving front end, avoiding interference from mobile phones/WiFi.
• Lightweight & Comfortable: Receiver weighs only 16g with non-in-ear design, fits both left/right ears, and is comfortable for all-day wear.
• Flexible Communication Modes: Supports one-to-many (single narrator to multiple listeners) and many-to-many (multiple narrators) modes.
• Easy Operation: Transmitter with LCD display for real-time status monitoring; receiver auto-matches last channel on startup.
• Intelligent Charging: Contact charging box with trickle pre-charge → constant current → constant voltage mode, extending battery life.
• Adjustable Audio Gain: Microphone input gain and transmitter audio sensitivity can be adjusted to fit different microphones and usage habits.

Application Scenarios

• Scenic spots, museums, and art exhibitions (tour guide explanations)
• Corporate factory visits and production environment tours
• Government/VIP receptions and large-scale multi-language conferences
• Schools and training institutions (interactive teaching)
• Noisy workshops and outdoor events

Advantage:

• Efficient Batch Charging: Professional contact-type charging box charges 50 devices at once; optional UV disinfection ensures hygiene.
• User-friendly Operation: Transmitter features full-function LCD (displays channel, volume, battery, signal); receiver auto-matches last used channel on startup.
• Adjustable Audio Settings: Microphone input gain and receiver volume are customizable, adapting to different microphones and user habits.
• Built-in Antenna: Eliminates inconvenience of external antennas, enhancing portability and wearing comfort.
• Durable Storage Solution: Equipped with all-aluminum storage box lined with EVA shock-absorbing cotton, offering shockproof, moisture-proof protection for easy transport.

   Product Details:

• Transmitter: Compact design (48g) with intuitive LCD screen; 3.5mm audio jack compatible with handheld, lavalier, or head-mounted microphones.
• Receiver: Non-in-ear, ear-mounted design (no hygiene risks); built-in antenna (avoids external antenna inconvenience); one-key volume adjustment.
• Charging Box: Metal shell (fire-safe); intelligent charging management protects batteries; optional UV disinfection for hygiene in public use.
• Storage Box: Aluminum frame + EVA grooved interior, fixing each device to reduce vibration during transport; separate compartment for charging cables and accessories.

Packing and Shipping: