Product Features:
Speakers are placed in the comfortable position of your ears, which will not feel oppressive. Definitely, you could also move the earphones to the most comfortable position as you like.
Easy to charge and wash built-in Li-ion chargeable battery, charge via USB Cable.
With Built-in removable headphones which can be pulled out from the hat if you would like to wash the hat! Perfect for travelling, waiting for the bus, jogs in the cold or just rocking out in your bedroom! You will look great and keep warm while listening to your favourite music. Keep the sound track to your life playing all the time!
Handsfree speaker so that we can keep warm when having a phone call, voice chat and listen to the music. No one will even know you have a hat on with music coming from it.
Simple to pair with any Bluetooth device and plays for about 3 to 4 hours but only takes about 2 hours to recharge.

Specifications:
Bluetooth version: V3.0+EDR;
Frequency: 2.4026GHz-2.480GHz;
Transmission distance: 10M / 32.80ft;
Transmission distance of Mic: ?1M / 3.28ft;
Li-ion Battery: 3.7V/100mA;
Charging time: 2 hours;
Charging voltage: DC 5V;
Standby time: 60 hours;
Continuous working time: about 3.5 hours.

• Style and Tech Combined: Protects your head from cold weather and allows you to listen to your music without having to wear additional headphones.
• Bluetooth Hats built-in handsfree speaker/headset allow you to listen to music and answer phone calls while doing a variety of other activities.
• The Bluetooth beanie hat is very easy and fast to pair with smartphones, tablets and other Bluetooth-enabled music devices, in seconds to make/answer phone calls. It's having the wireless range up to 33 feet.
• Headphone hat built-in rechargeable Li-Ion battery, about 3.5 hours talking/playing time, 2 hours charging time, 60 hours standby, so you have less time charging and more time doing.
• Universal size and fully washable: One size. Washable beanie after removing the headphones from the pouches.

Style and Tech Combined: Protects your head from cold weather and allows you to listen to your music without having to wear additional headphones.ONX3