Promate VocalMic 5-in-1 Wireless Bluetooth Karaoke Microphone & Speaker With Dynamic RGB Lights Compatible With iOS, Android, Windows- Black: Bluetooth v5.0: This karaoke microphone uses the latest Bluetooth v5.0 technology to provide a more stable connection up to 10 feet and faster pairing. Compatible with smartphones, tablets, PC, etc.,TWS Duet Mode: VocalMic has TWS technology that supports a duet mode with a double microphone connect