Features: Universals for 12 speed Di2 charging adapters for 105//DA/7170/8150/8170/9250/9270 systems, featuring secure clip on as OEM alternatives. Builts with plastic housing and Type C port, includes antiloss lanyard for portability while requiring separate Type C cable for charging flexibility. for cyclists upgrading for Di2 electronic drivetrains across road bikes, gravels bikes, or e bikes needing charging. Effortlessly charge components during home maintenance, outdoor ride, or competitions using 5V compatible charging/powerbanks or reverse charging smartphones. Integrated charging indicator displays blue LED during power transfer, automatically extinguishing when batteries reach full capacity for intuitives monitoring. Specifications: Product Type: Electronic Module Communication interfaces: SPI Power supply voltages: 1.8-5.5V Power supply current: 100nA Package Includes: 1PC Charging adapters note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.