Power Supply:USB
<br />Power Supply Mode:Built-in Lithium Battery
<br />Frequency Response:40Hz-20KHz
<br />Bluetooth Protocol:4.1
<br />Weight:630g
<br />Attended Mode:Bluetooth Connection
<br />Number of speakers:2
<br />External Dimension:150*85*75
<br />Sound Box Adjustment Mode:Buttons
<br />Sound Track:2
<br />Cabinet Material:Wood
<br />MAH:1500MA
<br />Function: Call Function, Voice Prompt, Insert card, Radio
<br />Running Time:6Hours
<br />Effective Distance:10M
<br />Supported Formats:TF 
<br />SNR: 75dB
<br />Extended storage: 16AAB
<br />Type: Bluetooth Speaker