Retekess T130S Wireless Tour Guide System Transmitter 13 Receiver Plant Teaching
🔋20-hour battery (4200mAh transmitter/900mAh receiver), no mid-tour interruptions. 📶PLL stable signal + 49 channels, no cross-talk. 📦Tiny lightweight, one-hand operation. 🎮One-key mute + dual ID setting, easy pairing. 🌍100m/328ft range, no shouting. 👂D-shaped dual-ear headphones, long-wearing comfort. 🎵AUX/MIC dual input, pre-stored content supported. 🖥️LCD backlit display, low-light visible. Suitable for tour guides, meetings, teaching, factory tours, church sermons & more—efficient and user-friendly!.