Replace Battery in Nike+ Sensor for Under $5 : 3 Steps - Instructables
How to split open a Nike+ iPod sensor battery? - YouTube
Who remembers the Nike+ iPod Pedometer? Went in your shoe under the insole and connected to your iPod via a separate 30-pin dongle. : r/RunningShoeGeeks
Review: Apple Computer Nike + iPod Sport Kit and Sensor | iLounge
Amazon.com: Sensor Pouch for Nike+iPod Sport Kit Sensor : Electronics
1 Pair Nike+ iPod Sports Kit Running Shoe Wireless Sensor A1193 For Apple iPhone | eBay
Amazon.com : Nike+ Stand Alone Sensor Kit : Nike Plus : Sports & Outdoors