The Lezyne LED Femto USB Drive Bike Light Set is compact, super lightweight and USB rechargeable.

FRONT:

Small in size, the Femto Drive USB Front is still big on visibility. Perfect for commuters and recreational riders looking for a simple and inexpensive way to make sure they stay seen on the road, this light is compact, super lightweight, and USB-rechargeable, offering five output modes and up to 15-lumens of output. It’s Wide Angle Optics lens provides 270° of visibility and the durable co-molded construction features an IPX7 water-resistance rating, ensuring that it's safe even in the most torrential downpours. The Femto's versatile mounting strap quickly mounts to a variety of handlebar sizes and a secure, threaded Composite Matrix cover keeps the USB port clean and sealed. It can run for up to 20 hours and is easily rechargeable with the included Micro USB cable. 

REAR:

The Femto Drive USB Rear is a compact and lightweight USB-rechargeable LED cycling taillight. It’s durable co-molded construction is minimal and has an IPX7 waterproof rating. A versatile mounting strap quickly mounts to a variety of post sizes. Five output modes offer up to 5-lumens and the custom Wide Angle Optics lens provides up to 270° of visibility. The Femto USB Rear can run for up to 15 hours and is easily rechargeable with the included Micro USB cable. A secure, threaded Composite Matrix cover keeps the USB port clean and sealed. The Femto USB is perfect for commuters and recreational riders looking for a simple and inexpensive way to add visibility.