Product’s Brand: KTS-1092
Wireless Connectivity
Support USB/TF card AUX function
Rechargeable battery
Karaoke Function
Wireless stereo twin speaker function
when you have two devices, need to long press "M" to build the connection both
FM radio search and record the FM frequency automatically
Wireless transmission rang: up to 10m
Speaker drive size: 3 inch.
Output power:5W
Frequency response: 100hz-20khz
Signal to noise ratio: >=85db
FM scan rang:87.5-108.0mHz
USB charging: DC 5V
Battery capacity: 600mAh
Max memory support(USB/SD):32gb
Play Time 2-4 Hours  (depending on volume level)
Charging time: 2hours