This portable Bluetooth Speaker is in the shape of a retro cassette tape. The Remixx® can easily go everywhere, weighing in at only 12.5 pounds. With dual bass radiators, two drivers, and four tweeters, also comes with a wireless microphone for karaoke fun. You can Sync two units wirelessly in TWS (True Wireless Stereo) mode for a louder surround sound experience. Connect your device via Bluetooth or use the Micro SD card slot.s