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By utilizing the LED. You can use the audio out door and indoor environments. Speaker LED lighting is a mobile phone applications that are connected by Bluetooth, can adjust the brightness and color of light. Product is can be separated. And I take advantage of as a flashlight. The two products can communicate with the other party by the Near-field communication.
Jeju national university + PD Lab
Jeju, South Korea
jesung Kim,
Jeju national university + PD Lab