App supported USB rechargeable 500 lumen headlight that can be synchronized with other SYNC lights App supported functions include synchronization, light pairing, custom light modes, remaining battery level, power on/off, and find me function Daytime HyperConstant mode makes a rider visible in the daytime Built-in fast recharging circuit Round beam with Opticube lens technology Double click changes the light pattern from current mode to High mode Five light...