Product details:
This unit easily plugs into Shimano's E-tube wiring system and is powered by the same battery that powers the Di2 system. Connect and Monitor This unit offers both ANT+ connection and Bluetooth connection, so it can connect to compatible cycle computers to enable you to monitor gear position, battery life, and other rider data functions. Mechanics can use the e-Tube Project wireless app to connect via a tablet or smartphone to change shifting preferences to suit the rider or the type of road/terrain. Compatible with: Dura-Ace 9150 and 9070 Di2 Ultegra R8050, 6870, 6770 Di2 XT Di2 and XTR Di2 Please Note: The new integrated BT-DN110 battery or the external battery mount (BM-DN100) is strictly required