The GSM Outdoors GWP-RCHUE-2PK, also known as the Ultra Ear by Walker\'s, is a rechargeable device that offers up to 48 hours of battery life from just one charge. Its design is both lightweight and compact, and it can be comfortably worn behind either ear. Included with the device are three different sizes of foam ear tips, making it a versatile fit for any user. The pack also includes three bottom cell batteries and a USB charging cord, ensuring you have everything you need to use this device straight out of the box.