Before using this product please read this instructionmanual carefully and follow the instructions to operatethis product correctly please keep this instructionmanual properly for reference 02γAudio button operation Light key:short press to switch the light effect long press to turn the light on/off2 M key: short press to switch Bluetooth USB TF card AUX mode double-click toforce disconnect Bluetooth (Note: TF card and AUX mode can be switched onlyif the corresponding device is connected)Power on button:short press play/pause long press on/off - Key:Short press volume down long press previous song- Key:Short press volume plus long press next song 6 Charging indicator hole red light is always on when charging full electric light off: TYPE-C charging interface TF card interface AUX interface 03-Microphone button operation Power on button:long press to turn on and off Short press to switch: microphoneon/off Double-click to control speaker playback pause - number key:short press to adjust microphone volume plus accompanimentvolume plus reverb multiplier plus Long press to control the next song on thespeaker -Number key:short press to adjust the microphone volume reduction accompanimentvolume reduction reverberation multiplier reduction 04γBluetooth use Bluetooth mode (1) Bluetooth connection: the default is Bluetooth when booting enter Bluetoothmode or press the -M- button to switch to Bluetooth mode turn on the Bluetoothscan of the mobile phone click Pair after searching for -K18- and there will be aprompt tone after successful connection When Bluetooth pairing is successfulthe Bluetooth indicator lights up steadily. (2) Play music: Open your mobile phone or other Bluetooth device download andplay your favorite songs to play. (3) After the machine is connected with the mobile phone once Bluetooth has amemory function which can be automatically connected or manually connectedafter booting and if it needs to be disconnected it can be disconnected throughthe Bluetooth device of the mobile phone. TF card mode (1) Insert the TF card the machine will automatically carry out the rear insertionpriority playback and there is a prompt tone When the TF card is inserted you canswitch by pressing the -M- key shortly. AUX (External Audio Input) mode (1) Insert the AUX external audio cable the speaker will automatically play back andprioritizeand there is a prompt sound(2) When the AUXTF cards are inserted at the same time you