The ListenTALK LK-1 tour guide transceiver is the smartest tourguide system available. The all-in-one device, is equipped with a host of exclusive features to provide the simplest option for communication and collaboration among two or more people in almost any environment. The ListenTALK LK-1 may be used as the tour leader in a listen-only group or also as a participant for tours where guest talkback & discussion is encouraged. Multi-language events are no problem - using an LK-1 an interpreter can join a group and provide simultaneous translation for guests or participants in additional languages to that of the presenter. The transceiver comes with an LA-401 Ear Speaker for listening and has an internal microphone for easy talkback (in quieter environments). ListenTALK can be used with standard smartphone earbuds or a headset from the dedicated ListenTALK range. Charge single devices via the Micro-USB socket or use the optional charger-docks for 4 or 16 devices simultaneously. Full charge in 4hrs. FEATURES • Fast and simple two-way communication with other LK-1 devices • Use as a tour Leader to talk and present to guests who are listening with receivers • Push-to-talk functionality • Up to three persons talking at one time • Exclusive encryption technology for added security • Up to 30 simultaneous groups • Compatible with standard (4-pole mini jack) earbuds and Listen Technologies headsets • Long-lasting lithium-ion rechargeable battery (up to 7 hours two-way) • Micro-USB socket for charging and updating/programming • Alpha-numeric OLED display - with programmable name field via PC software (e.g. Group 1, Français.) • Optional (LA-435) Battery Compartment for 3xAAA where recharging is inconvenient • Licence-free DECT frequencies • Range up to: 150m indoors, 300m outdoors Refer to the PDF Manual (link below) for full technical specifications. FIVE-YEAR MANUFACTURER WARRANTY Model: LK-1-E0 ListenTALK Transceiver (Europe EU28)