Bluetooth version: 4.1
<br />Bluetooth chip program: Jerry
<br />Battery: 500
<br />Working hours: 5-7 hours
<br />Power: 5W
<br />Speaker (mm) (inside / outside magnetic): 40mm, external, magnetic
<br />Impedance: 4, ohms
<br />Material: ABS
<br />Color:  Black, Gray, Red, Blue, Orange
<br />Function: Bluetooth connection / audio input / FM / USB / TF card / voice call
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<br />Package  Included:
<br />1 X Bluetooth Speaker
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