SDRD SD-306 Wireless Bluetooth Dual Microphone Karaoke Portable 3D Stereo Speaker SDRD SD-306 Wireless Bluetooth Dual Microphone Karaoke Portable 3D Stereo Speaker Support 3D stereo surround sound Two wireless microphones Built-in 7.4v / 1800mah lithium battery pack. 20W super powerful audio output. Size: 28 x 13 x 11cm الحالة جديد