Portable hand-held wireless microphones can be used as microphone, Bluetooth speaker, loudspeaker, recorder. Mini home KTV for music playing and singing at any time.Professional audio processor and tuning system, three layers high destiny noise reduction, creating a stunning KTV live-sound environment and wonderful echo reverberation.3.5mm Audio Jack & Bluetooth Connection, the wireless karaoke microphone can easily connect via Bluetooth or 3.5mm audio jack to your compatible with iPhone/Android Phone/Tablet/PC. You can also insert a TF Card to use the microphone.Built-in 1200mAh rechargeable Lithium-ion battery, this Wireless Bluetooth Karaoke Microphone can last more than 5-6 hours after a fully charge.A unique gift for children and adults and an ideal gift for Christmas, celebrations and parties. Specifications: Output Power: 5W Product Weight: 300G Power Supply: MA Polymer Battery Capacity: 1200mAh Charging Voltage: DC 5V/1A Frequency Range: 100hz-10khz Reverberation Mode: Echo Effect TF Card: 32GB MAX (Not Included) Maximum Sound Pressure Level: >115dB 1KHz Thd Specifications: Output Power: 5W Product Weight: 300G Power Supply: MA Polymer Battery Capacity: 1200mAh