Dual Electronics XGPS150 Universal Bluetooth GPS Receiver for iPad 2, iPad, iPod touch, iPhone and Other Smartphones, Tablets and Laptops (Discontinued by Manufacturer) Wirelessly adds GPS to iPad 2, iPad, iPod touch, iPhone and other Bluetooth-enabled smartphones, tablets and laptops Allows your device to be used with most apps that require GPS, including apps for car and marine navigation, golfing, geocaching, hiking, GPS tracking, cycling, running, social networking and more. Rechargeable battery lasts up to 8.5 hours of continuous use and charges via the included USB cable Small portable design. 2.25" x 2.25" x .75". Works anywhere in the world. Includes 12V car charger, a non-slip pad for use in a car or boat, and an adjustable strap to attach to a backpack or to use as an armband