The City Rover 700 is a USB rechargeable headlight with a powerful lithium-ion battery and a darkness destroying CREE LED bulb. Its precision reflector provides superior luminous guidance to the front and side for up to 20 hours of ride time. The City Rover will run for an additional 15 minutes in low power safety mode after the low battery indicator light comes on. The USB rechargeable Io taillight has two super bright LEDs for a great value, and offers a super quick charge time of only 2.5 hours. The Io has 3 different modes, steady, flash, and pulse, and is perfect for urban riding.