Features:
<br />Color: Black, Blue, Green, Red, Yellow
<br />Bluetooth: V2.1 + EDR
<br />Wireless transmission range: 10 to 25 m
<br />Audio sex ratio: 95 db or higher
<br />Battery capacity: 600 mah
<br />The built-in voltage: 3.7 V
<br />The normal volume: 2 h
<br />Horn specifications: 40 mm plus * 2  
<br />The speaker power: 4   / 3 w * 2
<br />Frequency response: 50 hz - 20 KHZ
<br />Size: 152.5 mm * 59.5 mm * 36.5 mm
<br />Charging voltage: 5 v / 500 ma
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<br />Package Included: 1*  Bluetooth Speaker