Feature:1. Whisper wireless tour guide system ,lightweight and small size,convenient to take.2. Widely applied to teaching,training,museum,scenic spots,exhibition/conference center, simultaneous interpretation...3. Use mini Jack MIC cable, can input CD, Cellphone,MP3 ...external audio source.4. One Transmitter can cover hundreds of pcs Receivers,stronger. anti-interference ability,sound clearly,more stable performance.5.Real digital signal transmission with very stable and clear audio quality.6.Integrated rechargeable Lithium battery.7.Easy to use battery charger,only 4 hours charging time..8.LCD display for transmitter and receiver, channel, volume, very easy to operate.9.40 independent channels to choose, up to 40 groups work simultaneously at the same location.10.UHF for international free frequency license.11.80-100 meters range from the transmitter to receivers.12.Slim design and nice looking. Very small size.Product Description：Global Free Frequency:2.4Ghz(2400MHz~2483MHz)Real digital signal transmission with very stable and clear audio quality.Longer distance with high confidentiality and anti-interferenceSpecifications of Wireless Audio tour guide system:It is a better way to provide tours for your tour groups. Tour guide system is an easy-to-use wireless communication system designed specifically for tour groups, factory tours, outdoor excursions, employee training, language interpretation, conferences and trade shows.Technical Specification of Audio tour guide system:Integrated rechargeable Lithium battery, only 4 hours charging time. Easy to use battery charger LCD display for battery power, channel, volume, very easy to operate. 2.4G for international free frequency license. 80-100meters range from the transmitter to receivers.40 independent channels to choose, up to 40 groups work simultaneously at the same location. Lanyard provided Slim design and nice looking. Very small size.Aapplications of Tour guide system:Travel & Tourism: Tourism, museums, galleries, business and tour guides to explain the convention; VIP reception: The promotion of company's products, high-level exhibition, the Government, the reception of VIPs visited the factory, industrial tourism; Teaching training: Schools, training institutes, conference rooms, auditorium, classroom lectures, seminars and other learning activities, special job training. They also can be applications for Guided tours of Museums, Public gatherings, sports ground and arenas, historical buildings and art galleries - both indoors and outdoors Noisy environments: such as Factory and large plant tours Radio aid system to assist hearing impaired people Simultaneous translation for multilingual meetings, seminars or exhibitions.Specification:Transmitter & Receiver:Frequency: 40 independent channels to chooseFrequency Stability:±2ppmModulation Deviation: 7.2kHzReceive sensitivity:-105dbmLocked Technology: PLL Digital LockWorking Temperature:-20°C~+70°COut Cover Material:ABSBattery type:Built-in Lithium batteryPackage Included:1 x Microphone for each transmitter
1 X Earphone for each receiver
1 x  lanyard for each device6x Multi Charger +2x device bag