HUMENN Bluetooth Beanie Hat, Wireless Smart Headphone Premium Knit Cap with Speaker & Mic, Unisex Headset Musical Cap for Outdoor Sports (BB,Grey)

Product Description 100% soft acrylic,double knitted beanie,Keep your head warm and allows you to listen to your music without having to wear additional headphones,the bluetooth stereo headset brings you great sound quality,style and comfort. Features adjustable headset placement with velcro tape to fit most head shapes and sizes. Please use the USB cable to charge it before start using the bluetooth beanie. The Bluetooth beanie easy-to-remove the headphones so that you can wash your beanie. A conveniently placed charging port is in the beanie so that you do not have to remove the headphones to charge. Simple buttons interface for easy control calls and playing music.Built-in mic w/ crystal clear sound technology for hands-free calling Supports Bluetooth HSP,HFP,A2DP,AVRCP. Pairs with all A2DP-enabled devices including smartphones, tablets, laptops, PC, digital media players, etc... Long lasting high-density battery provides up to 6 hours of music play time and 7 days of standby time Overcurrent, overcharge & overheating circuit protection circuit board Highly Recommend! Makes a nice gift. Specifications Version: V4.2 + EDR receiver and headphones Support for HSP,HFP,A2DP,AVRCP Working Distance: 10M/33ft Frequency: 2.402GHZ-2.4835GHZ Receiving sensitivity: 100dbm Built in Microphone and speaker Built in rechargeable battery: 3.7V/200mAh Charge time :2 hours Working time :4 hours Stand by time: 7days