SYNC Core & SYNC Kinetic Kit Care Items Upper:Synthetic leather and mesh provides

Upper:Synthetic leather and mesh provides comfort and breathability

Compatible Devices: iPhone 4S & newer

Grunge Brush scrubbing action

Steel rail with black powder coating

The B17 is the flagship model

SYNC Core & SYNC Kinetic Kit Care Items Upper:Synthetic leather and mesh providesThe ideal SYNC smart light starter kit Pair up to 7 lights and use the SYNC Core's power button or the smartphone app to turn all lights on off SYNC Core: 500 lumen headlight, controls all other SYNC lights SYNC Kinetic: 50 lumen rear light with Kinetic function that flares up when braking and synchronizes lighting modes with other SYNC rear lights Maximizes the user's visibility in a simple, effective manner