Up for sale is a massive commercial bulk lot of 40 genuine Listen Technologies portable wireless belt-pack units operating on the reliable 72MHz frequency band. This system is highly sought after for houses of worship, corporate tour guiding, factory training, language translation, and assistive listening compliance.What is Included in This Lot:2 x Listen Technologies LT-700-072 Portable Display RF Transmitters38 x Listen Technologies LR-400-072 Portable Display RF ReceiversPlease note: This is a hardware-only hardware lot. No charging stations, headphones, neck loops, or storage carrying cases are included. Each device operates natively on two (2) standard AA batteries.Pulled directly from a professional, working commercial environment.Shipping & Details:This entire lot will be packed securely into a single shipment to ensure safe transit. Please review all provided photos to confirm the items and exact cosmetic condition. Free feel to reach out if you have any technical questions.