Nitecore NU20 CRI Nichia 219B 270LM USB Rechargeable Light Weight LED Headlamp
Use coupon code 2f25e4 to lower the price from $34.95 to $24.46 (-$10.49 / 30% OFF).
This is CRI version using Nichia 219B with supreme color rendering capabilities (CRI is 90 minimum).