These Biolite headlamps are rechargeable with a micro USB, and use a unique headband design where the headlamp electronics are integrated into the fabric band in order to create a no bounce fit.  This Biolite Headlamp 200 is their lightest weight model, has 4 different lighting modes, and provides up to 200 lumen of light.

Details

• 200 Lumen Maximum Output
• 4 Modes Include: White Dim, Red Dim, White Strobe, Red Strobe
• Electronics are Integrated into the Fabric Headband for Stability
• Front Panel Tilts Downward
• 700 mAh Lithium Ion Micro USB Rechargeable Battery
• 40 Hours on Low, 3 Hours on High
• 8 Meter Floodlight Beam, 50 Meter Spot Beam
• 1.75 oz (50 g)