Features: Portable Karaoke Microphones: It is a handheld wireless microphones, also a portable mini home KTV for music playing and singing at anytime; moreover, multifunctional buttons are convenient for you to adjust.  Remarkably KTV Effect: The highest quality chipset with two channel stereo headphones, delivers more stunning KTV live-sound, more clear music rhythm with reverberation.  Two Ways of Connection:  You can choose BT connection or cable connection; connect your phone with cable or BT and open the singing APP on your phone, then you can sing, record and play music as you want.  Versatile Microphone & Speaker: Built-in clearly audio, vividly sound effect, you can listen and sing anytime and anywhere, KTV singing, gathering singing, family singing, travel singing, car stereo, instrument recording, interviews and live and so on. It can even be a high-end BT speaker.  Advanced Technology: Aluminum alloy shell, professional tuning system, three-layer high-density noise reduction, intelligent mixing chip, intelligent compatible design, professional audio processor, high-quality dual speakers.     Specifications: Color:Black, Silver, Gold, Pink;  Audio Monitoring:capacitor;  Speaker Output:5W * 2;  Maximum Sound Pressure Level:115dB 1KHZ, THD<1%;  Frequency response:100Hz-10KHz;  Impedance:680 Ω;  Sensitivity:43-45dB;  Signal to Noise Ratio:60dB;  Bluetooth Version:V4.2;  Transmission Distance:33 feet (10m);  Battery Capacity:1000mAh;  Charging Supply:DC 5V;     Package  Included: 1* TOSING 008 Bluetooth Microphone Wireless Mic;  1* USB Charging Cable;  1* Audio Cable;  1* English Manual