● 24-Hour Support ● Hassle-free Replace/Return ● Support Extended Term of Service contact seller support for product issue! We wish bring a exciting game atmosphere. We wish bring a mesmerizing sound. Plug into the USB port for power and press the "M" key to select “Aux Mode”; Plug 3.5 mm jack for sound. Press the "M" key to select "Aux Mode". Plug in the USB port and press the "M" key to select “Bluetooth Mode”; Search "C 30" on your smartphone/tablet and connect. Power On/Off USB Powered and 3.5mm Aux Mode USB Powered and Bluetooth Mode Light On/Off 2 LED Lighting Modes: Pulsing Mode/Flame LED Mode Press and Hold for 3 Seconds to Clear Bluetooth Memory Turn Clockwise - Volume - Turn Counterclockwise - Volume + Set the mood when listening to music/watching movies/playing games Insert the USB and the bottom light will stay on C30 Computer Speakers R50 PC Speaker R100 PC Speaker R30 PC Speaker R60 PC Speaker R200 Computer Speakers R80 Computer Speakers