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Main Products: 2.4G Wireless Classroom Audio System, 2.4G Wireless Tour Guide System, 2.4G Wireless PRO-Audio System, 2.4G Wireless Audio Transceiver Module, 2.4G Wireless Audio System Solution, 2.4G Wireless Classroom Speakers System, 2.4G Wireless Home Theater System, 2.4G Wireless Audio/Video Guide System, 2.4G Wireless Audio Modules OEM/ODM