I recently bought a Garmin Edge 130 and bought Magene cadence and speed sensors. I also wanted a heart rate sensor, and since the cadence and speed sensors worked so well for me I couldn't do without their heart rate sensor (what a deal!), I wasn't disappointed. I paired it with my Edge 130 via ANT+ and it connected almost instantly and was very reliable. The heart rate seems accurate based on the Edge 130's recordings and some manual verification by taking my heart rate and comparing it to the monitor. Can't comment on Bluetooth connectivity, but my experience with BT can be pretty weak and unreliable, which is why I went with ANT+. I did about 5 20 mile rides and one 30 mile ride on it and it worked flawlessly. Great deal and highly recommended.
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