Bestbuy offers Panther Vision - POWERCAP Beanie 70 Lumen Rechargeable LED Clip-On Headlamp - Black for $9.99 (orig. $19.99) with free shipping.

Product Description:
Panther Vision - POWERCAP Rechargeable LED Beanie Clip On Headlamp utilizing our new rechargeable lighting technology. Improved rechargeable battery functionality, powered by a Micro-USB rechargeable lithium polymer battery that is compatible with cell phone wall chargers, USB power banks and USB computer ports. The POWERCAP Beanie Clip On includes 1 LED with a light output of 70 lumens, also equipped in this cap is a lighting module that allows for 3 lighting settings: High (70 Lumens), Medium (35 Lumens) & Low (15 Lumens). LED Visibility of up to 15m (45 ft.) on the high setting, 10m (32 ft.) on the medium setting and 8m (26 ft.) on the low setting. IPX4 Water resistant design intended for long lasting use that is easy to carry and have when needed. All POWERCAP Clip Ons are & backed by the Panther Vision Limited Lifetime Warranty.

• Overview
  POWERCAP’s New Lighting Technology - LED Beanie Clip On Headlamp Lighting – Rechargeable LED!
• Light Output - LED
  3 LED light output settings: High: 70 Lumens -Medium: 35 Lumens - Low: 15 Lumens
• Visibility Distance
  High: 15m - Medium: 10m - Low: 8m
• Battery Life
  High: 4 Hours - Medium: 5.4 hours - Low: 10.5 Hours
• Durability
  IPX4 Water Resistant & Shockproof up to 1m