Name: Bluetooth Speaker
<br />Connection: Bluetooth connectivity
<br />Interface Type: USB
<br />Frequency Range: 100HZ-20KHZ
<br />Output power: 3W
<br />SNR:  70db
<br />Power supply: built-in lithium battery
<br />Channel: 2
<br />Bluetooth protocol: 2.1 above version
<br />Effective distance: 8 meters
<br />Function: Call function, card
<br />The crowd: General
<br />Playback Formats: MP3
<br />Housing material: Plastic
<br />Supported formats: TF card
<br />Speaker Adjustment method: button control
<br />Color: As shown in picture Welcome to our store .hope you have a wonderful Shopping experience .thanks!
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