Karaoke Speaker GTS 2009 with 2 microphones

GREATNICE Karaoke Speaker GTS-2009 with 2 microphones.

Wireless transmission range : upto 10 meter

Speaker drive size : 4 inch 

Output Power : 5 W

Frequency Response : 100 HZ - 20KHZ

Signal to noise ratio : greater than and equal than 80 db

Charging time : 1-2 hours

USB charging : DC-5V 1A

Product battery capacity : 500 mAh

Playtime: Upto 1 hour at 100% Volume 

Max Memory Support (USB/SD) : 32 GB

Product size : 15.9 x 10 x 15.7 cm