M-RadonV3BT (30A) Speed Control (Built-in Bluetooth) #TPR-M-Radon-V3BT
US$ 104.13
Mini Spec Radon 2S (100A) Speed Control (included USB device) #TPR-MS-Radon
US$ 129.81
Speed Control Bluetooth Device #TPR-SP-BT
US$ 23.33
Radon Pro V5BT (200A) Speed Control (Support Ext. Bluetooth) #TPR-Radon/ProV5BT
US$ 218.96