$74.95
Zephyr HxM Bluetooth Wireless Heart Rate Sensor for Android and Windows Phone 8
$34.99
Zephyr - Deluxe Edition Numbered
$54.95
Zephyr HxM Smart Heart Rate Monitor for iPhone 4S, iPad (3rd Gen) & iPhone 5 with Bluetooth Low-Energy (4.0)
$8.99
Zephyr - Deluxe Edition