Wireless Bluetooth Karaoke Microphone Speaker Handheld KTV Player Singing Mic Rechargeable The excellent design of our karaoke microphones is very suitable for your hand, which can make you feel more comfortable. And the built-in high-quality Bluetooth module can be used as speaker, player and Recorder, compatible with various singing applications Multi-function buttons, easy to switch to different modes, adjust volume, sing and play music. With echo mode,our karaoke mic can bring a surrounding immersion. And the USB port allows you to plug USB, turn this magic piece to MP3, and play it directly Input Voltage: 220V Sing Time: 3-6 hours Battery Capacity: 1000-1200 mAh Transmission Distance: 10m(32.8ft) Size: 20*5CM Packing include: 1x Karaoke Singing Microphone