bluetooth forever am-100 black

This Forever microphone provides great fun with two devices in one. With a built-in bluetooth speaker, you can listen to music while singing. Play music wirelessly and directly from your laptop or smartphone via Bluetooth technology and sing like a star on stage with the echo effect and equalizer function! Specifications: bluetooth interface: v 4.0 battery capacity: 2000 mAh Charging time: 6 hours battery operating time: 8 hours frequency range min .: 100 Hz frequency range max .: 10 kHz