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

Features:Premium aviation aluminum shell2 in 1 with Stereo Condenser Microphone and Bluetooth Speaker Enjoy Karaoke effects with the Smartphone APP Pickup: Capacitive Bluetooth 3.0 Output Power: 10mW (Headphone output) 3W (Speaker output)Frequency Range: 100Hz to 10KHz Maximum SPL: About 115dB 1KHz THD: Up to 1%Reverb Mode: Echo Sound Reverberation Power Supply: Built-in lithium polymer battery 1000 mAh Battery for up to 5 hours of Singing Charging Power: DC 5V Support Android, IOS systems. With the APP, you can experience the effects karaoke rooms and function Micro USB/3.5 mm .