Stereo Bluetooth speaker with microphone                                Appliant to Version 2.1+EDRTransmitter Power: Class 2Operation Distance: Within 10mFrequency range: 2.4026-2.480GHzPower: Input:AC100V-240V  Output:DC12VOutput power:2×7W                                                    Max current:≤2A                                                         Frequency Response: 20Hz-25KHzSpeaker Size: 300*108*100mmWeight: 950 g   

Features:

1.Adjustable volume                

2.Support external audio amplifying,

campatibale with audio device which has 3.5mm

audio output, such as computer, MP3,ect.            

3.Half-moon shape

Bluetooth Speaker