Meilan M1 GPS Bike Computer - Wireless, Waterproof, Color Screen, ANT+ BT4.0
Wireless: Bluetooth 4.0 / ANT+ connectivity. For ANT+ connection, M1 can connect with 2 C1 sensors (1 for speed, 1 for cadence). For Bluetooth BLE4.0 connection, M1 can connect with 1 C1 sensor (either speed or cadence).