T-Mobile offers its T-Mobile SyncUP Drive for $48 with free shipping when you activate a 2GB data plan. It allows you to monitor your car's speed, location, and OBD-II engine codes, and also serves as a WiFi hotspot in your car.
Daily Steals offers the Jabra Sport Pulse Wireless Bluetooth Stereo Headset with Built-In Heart Rate Monitor for $69.99. Coupon code "JABRADS10" cuts it to $59.99. With free shipping, that's $5 under our January mention and the lowest total price we could find now by $40. They connect with the Sport Life app for personalized audio coaching and feature a biometric heart rate monitor, 30-foot wireless range, and in-line controls.