1, Multiple functions:this is a magic microphone +Bluetooth speaker, when singing can record a song and play after.
2, Easy to operate :no need any driver,you can connect Bluetooth sing without wire in any time any where
3, Excellent sound: achieve real low noise and high fidelity,voice clear,delicate
4, Support K song APP:WS669 support android and ios,support all K song APP
5,Can using Memory card and USB drive, Support FM.

Feauters:

Pickup: Condenser
Reverb Mode: Echo reverberation
Frequency Range: 100Hz-10kHz
Charging Voltage: 5V
Main Item Size: Approx. 24.5 * 7 * 7cm / 9.65 * 2.76 * 2.76in
Main Item Weight: Approx. 394g / 13.91oz
Package Size: Approx. 29 * 12.5 * 8cm / 11.42 * 4.92 * 3.15in

Package :
1 * Microphone
1 * USB Cable
1 * 3.5mm Audio Cable
1 * User Manual