<b>Welcome to IndeCool! </b><br> We not only provide you excellent products but also star-level service. <br> <br> <b>OPERATION GUIDE </b><br> 1.Activate Bluetooth mode: Turn on the speaker, you will hear a sound that indicates “Bluetooth mode”, connect the device “BBQ-SPEAKER” with your music device via Bluetooth. A sound will indicate that the connection is successful.<br> 2.Activate Line In mode: Turn on the speaker, press “MODE” button until you hear “Audio Input”, then plug the 3.5mm audio cable into the Line In port on the speaker and into your device (Compatible with MP3, MP4, computers, mobile phones and other multimedia devices).<br> 3.Activate MP3 player mode: Turn on the speaker and insert a USB or SD card, the speaker will automatically start playing MP3 format files.<br> 4.Activate FM Radio: Turn on the speaker, press "MODE" button until you hear "Radio Mode" and it will enter FM radio. Press Play/ Pause key to enter into automatically search and store channels. Press volume up or down key to choose the previous or next channel.<br> 5.MODE Key: press this key in order to switch to different working modes [Bluetooth Mode, Radio FM Mode, Line In Mode].<br> 6.Charge Mode: Insert the power cable into the DC5V port and the USB side connects to a DC5V charger or computer.<br> <br> <b>SPECIFICATIONS </b><br> Output voltage DC 3.3-3.7V·<br> Input voltage DC 4.2-5.0V<br> Power supplier: power adapter 5.0V OR computer by USB cable<br> Microphones: Dynamic coil core, 3m length cable <br> <br> <b>PACKAGE DETAIL</b><br> 1 X Bluetooth Speaker<br> 2 x Microphones<br> 1 x USB Power supply & 3.5mm audio cable<br> 1 x Remote Controller