BL-2086A model digital language learning system, which adopts advanced digital andnetwork technology, the systems hardware kernel adopts international standard, sothe system has excellent advantage an

This switch can be programmed to turn itself on automatically at any time of a 24-hourperiod of five hours and then turn itself off.Main functions:1 Delay off function and programmable2 Timer on funct

The visual presenter is a full-automatic multifunction visual presenter. It capturesall types of presentation materials, such as papers, 3D objects and transparencies.It can be widely used in classroo

Product Name: Digital Visual PresenterModel Number: 2800HV, 2800SVPlace of Origin: ChinaThe visual presenter is a full-automatic multifunction visual presenter. It capturesall types of presentation ma

Earphone:1) Impedance: 2 x 8, 2 x 16, 2 x 32, 2 x 402) Sensitivity: 110±3dB3) Frequency range: 20 - 20,000Hz4) Rated power: 2 x 100mWMicrophone1) Impedance: 1,800, 100, 2002) Sensitivity: -48

This switch can be programmed to turn itself on automatically at any time of a 24-hourperiod of five hours and then turn itself off.Main functions:1 Delay off function and programmable2 Timer on funct

This switch can be programmed to turn itself on automatically at any time of a 24-hourperiod of five hours and then turn itself off.Main functions:1 Delay off function and programmable2 Timer on funct

Product Name: Intelligence SwitchModel Number: 07-01APlace of Origin: ChinaThis switch can be programmed to turn itself on automatically at any time of a 24-hourperiod of five hours and then turn itse

CharacteristicIt has computer and movable keyboard two operation ways. The teacher recorder, which uses imported electricity-controlled movement, film button and liquid crystal Display with a large sc