Moveteck Bluetooth Wireless Karaoke Microphone TWS Rechargeable Built-In Speaker TR9181 Singalong to your favourite songs with this wireless Karaoke microphone. Simply connect your device via bluetooth or via the USB input and press play.BluetoothBuilt-in speaker - USB, AUX, TF card input - Recording function - Seperate mic, music and Echo controls5W, 1200m - Ah, 100Hz-10KHz3-4 hour play time3 hour charge time - TWSTF card input (32G max)AUX input - Dimensions: 68.5 x 59 x 226mm