Features:Premium aviation aluminum shell2 in 1 with Stereo Condenser Microphone and Bluetooth SpeakerEnjoy KTV Karaoke effects with the Smartphone APPPickup: CapacitiveBluetooth 3.0Output Power: 10mW (Headphone output) 3W (Speaker output)Frequency Range: 100Hz to 10KHzMaximum SPL: About 115dB 1KHz

Features:Premium aviation aluminum shell2 in 1 with Stereo Condenser Microphone and Bluetooth SpeakerEnjoy KTV Karaoke effects with the Smartphone APPPickup: CapacitiveBluetooth 3.0Output Power: 10mW (Headphone output) 3W (Speaker output)Frequency Range: 100Hz to 10KHzMaximum SPL: About 115dB 1KHzTHD: Up to 1%Reverb Mode: Echo Sound ReverberationPower Supply: Built-in lithium polymer battery1000mAh Battery for up to 5 hours of SingingCharging Power: DC 5VSupport Android, IOS systems. With the APP, you can experience the effects KTV karaoke rooms and functionMicro USB/3.5 mm Earphone Jack

 Packing includes:1* Bluetooth Speaker Microphone1* USB Cable1* User Manual1* Micro USB to Audio Cable