View on LOZ Suggested Retail: $199.99. Shinco Bluetooth Karaoke Speaker, 12-inch Subwoofer PA System, Portable Karaoke Machine with Wireless Microphone, Flashing Party Light. Portable and Powerful -- This Bluetooth speaker system with 12-inch subwoofer provide strong bass and dynamic sound for indoor and outdoor party. It allows you to project your voice and music across a group of 500 people clearly and loudly, the sound coverage reaches up to 6000 square meters. Easy to Use -- Wireless Microphone and speaker will connect automatically when turned on, no further operation is required. You are free to adjust the microphone and music volume separately. It also has a retractable handle and wheels for easy transport.. 7 CALENDAR DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.