Description <br> Colour:black <br> Material:abs <br> <br> How To Use It <br> Power On/Off <br> Long press the MFB for 2 sec to power on, the Red/Blue Indicator will flash 1 sec. <br> Long press the MFB for 5 sec to power on, the Red Indicator will flash 1 sec. <br> Bluetooth Pairing <br> After powered on, it goes to Bluetooth Pairing mode autaomatically, then place your Bluetooth headphoens or earphones within 1 meter to pair. <br> Bluetooth Disconnection <br> After Bluetooth Paired, long press the MFB for 2 second to disconnect the current Bluetooth Headphones or earphones to enter Bluetooth Pairing Mode. <br> Play Pause <br> Short Press the MFB to pause, press again to play. <br> Clear Bluetooth History <br> After Powered off, long press the MFB about 8 sec to clear Bluetooth paired history, Red/Blue Indicator flash 1 sec to enter Bluetooth Pairing Mode. <br> <br> Package Contents: <br> 1 x audio conversion adapter <br> <br> Only the above package content, other products are not included. <br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. <br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store