The Mobile Warming® Bluetooth Heated Scarf is the perfect accessory for anyone braving cold weather. Whether you're commuting in frigid temperatures, taking a brisk walk in the snow, or enjoying outdoor winter sports, this heated scarf provides the warmth and comfort you need. Powered by a lightweight and rechargeable lithium-ion battery, the scarf delivers up to 9 hours of consistent heat across multiple temperature settings. Scarf Features: • Soft polyester fabric design • Scarf Dimensions: 41inx4.5in • Foldable with carry handles • Mobile Warming® Heat Technology with heat across the neck • 4 selectable heat levels to dial in your comfort • Integrated waterproof touch control button • Compact Powersheer® rechargeable Lithium-Ion battery with universal USB charging • Up to 9 Hours of Heat Per Charge • Bluetooth® Enabled Wireless Control from Phone or Smart Watch • MW Connect™ Mobile App - Apple and Android Compatible • Easy to clean & Machine Washable Battery Features: • Powersheer™ Mini Rechargeable Lithium-Ion Battery (7.4V 2250mAh) • Up to 9 Hours of Power Per Charge (2+ High - 9 Low) • Micro USB Charging port • Micro USB to USB Charging Cable Included • Charge Time 3+ hours* * Charge time is based off using a USB-A wall charger that delivers 5V@2.1A Includes: (1) Heated Scarf (1) Powersheer™ Rechargeable Lithium-Ion Battery (7.4V 2250mAh) (1) Micro USB cable