ANT+ and Bluetooth Smart allow you to quickly and seamlessly connect your power meter and/or heart rate monitor with your smartphone, head unit, computer, or smartwatch. All 4iiii products support both ANT+ and Bluetooth giving you multiple options for viewing your data in real time.

1. Shop Now

ANT+ allows your power meter and heart rate monitor to be paired and communicate with multiple devices simultaneously. ANT+ is the common communication protocol used in head units and smartwatches. ANT+ enabled head units, computers, and watches let you record your workout, calibrate your power meter, and control a smart trainer.

1. Shop Now

Much like ANT+, Bluetooth Smart lets you pair a variety of fitness devices to your bluetooth-enabled head unit, smartphone, computer, or smartwatch. Bluetooth Smart is almost universally available on all smartphones, tablets, and recently-released head units and smartwatches. 4iiii power meters and the Viiiiva heart rate monitor support communication and control over Bluetooth Smart. Bluetooth will allow you to pair your power meter or heart rate monitor with any iOS device, smartphone or computer.

1. Shop Power Meters
2. Shop Heart Rate Monitors