Bright Tunes Decorative String Lights with Bluetooth Speakers, Traditional Tip 3-Color Incandescent, Green Cord 4 Built-in Bluetooth Speakers to wirelessly play music from your Bluetooth device. No App Needed. 80 Multi Colored Incandescent lights over 26 feet of green cord Indoor or Outdoor use Connect to existing string lights regardless of brand or style Connect up to 5 strands for surround sound. UL approved wall plug and connection sockets.