Smart Light Bulbs E12 Rgb+Cct Led Wifi+Bluetooth Smart Bulbs 300Lm 40W Product Details EASY TO SETUP: XFOX WiFi bulb connects to your secure 2.4Ghz WiFi network, no hub or other device needed, All you need is your smartphone, or tablet download, Smart Life/Tuya Smart App (iOS,Android) COLOR CHANGING LIGHT BULBS MUSIC SYNC: 16 million colors are available, 3000-6000K tunable white. you can choose the lighting suitable for different scenes, such as ordinary light reading, sleeping night light, party decoration lights; You can set these color changing light bulbs to music mode and watch the colors change to the beat of your music. GROUP CONTROL SCHEDUEL: You can create a group for this set of wifi light bulbs on the APP, and control the color changes of multiple bulbs at the same time. You can also schedule the smart bulbs automatically switch on/off via your phone APP. And you can also set a countdown timer. XFOX Smart Light Bulb:Focusing on LED smart light bulbs for more than 10 years,the brand is trustworthy,if you have any questions,please feel free to contact us. Escort your lighting road. Warm Reminder:The smart light bulb does not work with the old dimmer switch,it will make the light bulb flicker,You can dim/brighten it with the app or with your voice. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.