It’s back!
Gear Best.com has Nitecore Tube USB Rechargeable 45-Lumen LED Keylight/Flashlight (Blue or Clear) on sale for $6 with promo code NTDEAL. Shipping is free.
http://www.gearbest.co
Built-in rechargeable Li-ion battery provides a runtime of up to 48 hours on low, and the battery is rechargeable via the USB port.
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Faster shipping for a small additional charge ($2.44 for priority shipping delivered in about half the normal time).