Ocean Wave Night Light Projector with Music Player Romantic Color Changing LED Party Decorations Projection Lamps Mood Lighting For Living Room Bedroom (White) <span class="a-text-bold">Built-in A Mini Speaker.</span> The item comes with an audio cable, an USB cable and an adapter. Simply plug in a cell phone, MP3 or other device to play music, can be used as a soothing sound machine for kids, teen boys, teen girls, adults and seniors. <span class="a-text-bold">Built-in a TF Card Slot.</span> You can download your favorite music in a TF card and plug the card into the projector to play music, convenient and simplify. <span class="a-text-bold">Auto Turn Off Timer.</span> There are 3 options of the auto turn off timer - 1 hour / 2 hours / 4 hours, the wave projection lights will automatically turn itself off in the preset time you choose. Yet of course you can also canceled the auto turn off timer function if you prefer it stay projection all night long. <span class="a-text-bold">Easy to Use.</span>It is run on simple sensor buttons, easy to turn it on/off and switch the projection modes by the middle button, adjust the volume by the other 2 buttons, it is simple and easy to use. 1. Connect the USB adapter. 2. Plug into wall adapter. 3. PUSH THE POWER BUTTON (the middle one among the five) FOR 2 SECONDS, then it will turn on the lights and music. 4. Connect your mp3/phone via audio cable to play your favorite music 5. Turn up or turn down the volum with the &#034;+&#034; and &#034;-&#034; The remote needs 2 AAA batteries to use. Please don&#039;t put the item on unstable surface in case it fail broken. Please don&#039;t put this product in somewhere is high temperature and strength. Item Color: White Rated Power: 2W Speaker: 4 / 3W Item Weight: 0.66 lbs Rated Voltage: DC 5V 500mA Material: ABS Plastic / PVC Plastic Item Dimension: 4.9&#034; X 4.9&#034; X 3.9&#034; 1 x Remote 1 x USB Cord 1 x Audio Cord 1 x Instruction Manual 1 x Ocean Wave Night Light Projector