Warranty

© 2019 GV Concepts, Inc.
12
2.1 DES-I Use
Charge Battery
The battery of DES-I will need to be charged; insert the
included micro USB cable into the USB port on the device and
plug the other end into the included USB charger. The LED will
begin to yellow, signifying that it is charging. The yellow LED will
be off when the device is fully charged.
Power On/Off button
Press “ON” and Green LED will be flashing around 3
seconds. Please wait till Green LED is solid on before
releasing “ON” button. Sounds will be amplified and
heard via headphone. Press “ON” again to power off
the device.
Volume up button
Press “+” to increase volume.
Volume down button
Press “-“ to lower volume.
Bluetooth button
Press “BLUETOOTH” to enable Bluetooth broadcasting and
blue LED will be flashing. If there is no connection with
mobile device within 30 seconds, it will turn off Bluetooth
broadcasting mode automatically. If the device is
connected to mobile device, blue LED will be soild ON.
During connected to mobile device, press “BLUETOOTH”
will turn off Bluetooth function.
Reset button
Press “RESET” will reboot and turn off the device. If the
device is malfunction, presses “RESET” for 6 seconds to
force the device to be off.