Wireless Educational Earphone System WM 9300
Item No : W1G-226170- Payment Term : L/C, T/T, Negotiable
- Min. Order : Negotiable
- Unit Price : Contact Us
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- Place of orgin :
China - Transportation : Negotiable
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Wireless Educational Earphone System WM 9300 Features Specifications :
Wireless educational earphone system can be used under such effective range as one teacher makes his lecture, regardless of the number of students, while they can freely and clearly listen to what teacher said, even if in a noisy environment. The system is ideal for school, stuff education and tour guide.
Frequency: 109-120MHz
Effective range: 30M
Power supply: receiver DC 3V, transmitter DC9V
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