Tenergy Wireless Bluetooth Beanie Hat with Detachable Stereo Speakers & Microphone, Fleece-lined Unisex Music Beanie for Outdoor Sports, Line Ribbed Knit (Green/White) BUILT-IN BLUETOOTH HEADSET - The Tenergy Bluetooth beanie features bluetooth V4.2 tech that makes pairing to smartphone or tablet device quick & easy. Boasting a wireless range of up to 33 feet, the bluetooth hat will accompany you on all your cold excursions from skiing, snowboarding, running, working out or holiday travel and giving you the ability to play music during these moments. Our bluetooth speaker hat has multiple colorways and will suit anyone's outfit styles! HANDS FREE CALLING - Our Bluetooth beanie built-in MIC system turns this wireless musical bluetooth hat into a hands free calling headset as you can quickly answer calls on the go! The audible sounding Bluetooth hat headphones can be clearly heard through the fabric of the beanie for a better sounding call and to provide the best portable music hat. EASY TO USE - The simple panel display on the ear of the Bluetooth wireless knitted beanie has 3-prompt buttons and an LED indicator light. Go pass the basic controls of pausing/playing music and be able to answer calls, skip songs, and control the volume. The Bluetooth beanie features headphone slits that make the headphones easy-to-remove so that you can wash your beanie. Our wireless Bluetooth hat is a great christmas gift or birthday present for family and friends! LONG LASTING PERFORMANCE BATTERY - Our wireless beanie has a built in rechargeable LiPO battery and with a 2.5 hour charging time provides up to 6 hours of music or talk with a 60 hours standby time. A conveniently placed charging port is in the beanie so that you do not have to remove the headphones to charge- USB charging cable included. PREMIUM QUALITY & 2 YEARS EXTENDED WARRANTY - The Tenergy Bluetooth beanie for men and women is made of 60% Acrylic & 40% Polyester that is soft and gives great breathability. The exterior features comprehensive stitching for longevity and the inside is fleece-lined to retain heat. Register your Tenergy Bluetooth Beanie to receive 2 years extended warranty and lifetime support from our friendly customer service.