<p><b><i>HIGHT TECH,   KEEP WARM, LOOK COOL</i></b></p> <p>This knit bluetooth beanie features superior audio quality, enjoy great sound without dangling wires. Sound disks and bluetooth receivers are built right into the beanie for unbelievable clarity. No more ear buds constantly falling out of your ears, or worse giving you an earache.</p> <p><b>Specifications:</b></p> <p>Bluetooth version: V4.2</p> <p>Transmission distance: 10M/32.80ft<br></p> <p>Transmission distance of Mic: 1M/3.28ft</p> <p>Li-ion battery: 3.7V/200mA</p> <p>Charging time: 2 hours</p> <p>Number of charge: >1000 times</p> <p>Charging voltage: DC 5V</p> <p>Standby time: 30 hours or so.</p> <p>Continuous working time: about 4 hours</p> <p>Bluetooth name: CALL ME</p> <p><b>User tips:</b></p> <p>1.The music Bluetooth hat is designed to be reused and washable. Therefore, the icon panel on the hat is not fixed to the buttons. If your icons do not match the control buttons, please adjust them manually.</p> <p>2.Press the ON/OFF button for 3 seconds while RED and BLUE LED are flashing slowly and alternatively.  Now the device is on pairing mode.</p> <p>3.Due to different Bluetooth module, you can search the Bluetooth name: CALL ME on the Bluetooth device list of your phone, and then you can connect it with it without password.</p> <p>4.Please make sure that both your call audio and media audio on your Bluetooth are enabled on your set up menu of the phone.</p> <p>5.You have to adjust the hat manually to find the micro USB charging port because the Bluetooth hat is washable.</p>