Elastic closure Machine Wash CRISP CLEAR SOUND: If you are looking for a comfortable Bluetooth beanie with great sound quality for cold weather, look no further! This Bluetooth beanie for men and women offers premium audio quality so you can enjoy clear sound on the go. A convenient way to listen to music, podcasts, or audiobooks. Enjoy quality audio without having to adjust earphones or worry about them falling out. Listen anytime, anywhere. WARM & FUNCTIONAL: Great sound, hands-free calls, and warm ears all in one! This warm and comfortable beanie with built-in Bluetooth headphones keeps you cozy. No tangled cords to deal with. The stretchy, high-quality knit material ensures a comfortable fit for all head sizes and shapes. A perfect gift for others or yourself to make winter more enjoyable. SUPER EASY TO SET UP & USE: The beanie pairs easily with any Bluetooth-enabled smartphone or tablet. User-friendly control buttons are conveniently located on the side, allowing you to change tracks or answer calls without touching your phone. Rechargeable battery provides up to 15 hours of play/talk time and 60 hours of standby time. Fully charges in just 2 hours using the included micro-USB cable. FULLY WASHABLE: The Bluetooth beanie is washable after removing the built-in headphones from the inner compartments. Can be hand washed or machine washed. Ideal headwear for anyone who enjoys outdoor winter activities. The wireless design eliminates the need to carry extra accessories. A must-have for winter runners and outdoor enthusiasts.