Bluetooth version : 2.1 + EDR Wireless play music from any bluetooth device 2.

Bluetooth wireless range : 10M 3.

Output power : 20W x2 4.

Speaker driver unit size : 3" x 2 5.

FM Radio -FM scan range :87.5 -108.0 MHZ 6.

TF Card MP3 Music Playback- Max Memory USB/SD :32GB 7.

Frequency Response : 100HZ -20KHZ 8.

Power Supply : AC 110-240V/50HZ ,DC15V/3A 9.