NANLINK WS-TB1 TRANSMITTER BOXA communications box that works with both Bluetooth and 2. 4Ghz. Designed to wirelessly control multiple lights. ###split### NANLINK WS TB 1 Transmitter Box lets you wirelessly control lights with the NANLINK mobile app regardless of whether or not they have built in Bluetooth. Any Nanlite fixture with built in 2. 4Ghz is compatible with the WS TB 1, including the PavoTube 30C and 15C, Forza 500, MixPanel 150 and 60, and others. The NANLINK mobile app