Specifications: 
<br />Bluetooth Version: V3.0+EDR 
<br />Frequency: 2.4026GHz-2.480GHz 
<br />Transmission distance: 30 ft or so 
<br />Transmission distance of MIC:  3 ft 
<br />Li-ion Battery:3.7V/120mA 
<br />Charging time:2.5 HRS 
<br />Standby time:60 Hrs 
<br />Color:red,blue,black
<br />Continuous working time: about 5Hrs 
<br />Bluetooth name:Magic Hat 
<br />Size:Fits for head circumference 56-62cm 
<br />Speakers can be taken off so that you can wash the hat  
<br />
<br />Operation Guide
<br />Press the on/off button about 5S till the LED light blink from blue-red.
<br />Open the bluetooth in your phone and match with the beanie,set-in the password of "0000" if it is the first to pair the device.
<br />After match successfully open the music in your phone, then you can enjoy the music with the hat, press the on/off button can pause it
<br />Press the on/off button, you can answer the phone. press again for up it
<br />Long press the Forward button for volume +,long press the Back button for volume -
<br />Press on/off button 2-3 seconds can back to dial the telephone
<br />When charging the red light bright, charging is complete, the red light will off.
<br />