180s Degree Womens Bluetooth Ear Warmer with Built-in Mic & Hi-Definition Speakers Fleece Comfortable and warm: Recycled eco-fleece shell and lining and thermolite insulation provide warmth and comfort Patented behind-the-head design: fits comfortably over your ears and allows them to be worn with other Headwear and head protection. Lightweight design offers you extra flexibility and portability Built-in Mic & speakers: allows you to take hands-free calls and Listen to music from your devices. Hi-definition speakers provide dynamic, rich sound Bluetooth wireless technology: provide a quick and stable connection with your Bluetooth enabled devices. Siri and Google Now Activation feature. Talk time: 9 hours; play time: 8 hours Fully adjustable: adjustable click-to-fit frames allow for a wide variety of head sizes. Easy to Use collapsible frame makes the product easy to carry and pack High-definition Speakers and Built-in Microphone Bluetooth Wireless Technology (Talk Time: 9 hrs., Play time: 8 hrs., Standby time: up to 100 hrs.) Made of a Soft-shell Material, Adjustable and Comfortable Frame, Behind the Head Design Charge via USB with Included Cable