best rechargeable key ring flashlight EverBrite Keychain LED Mini Bright Portable Pocket Torch for EDC, Party Favors, Night Reading, Camping, Power Outage, Emergency, AAA Battery Included, Blue Do you often lose them Six Great Keychain Flashlights |

Constant brightness even at low ambient temperatures and not fully charged battery

(4.8 x 3.3 mm) Weight Light : 0.32 oz (9.1 g) with built-in battery Small Split Ring : 0.01 oz (0.3 g) Large Split Ring : 0.06 oz (1.8 g) Impact Resistance : 3.3 ft (1 m) Ingress Protection (IP) Rating : IP65, dust protected and water resistant Included 1x Light with integrated USB rechargeable Li-ion battery 1x Small split ring, 0.4 in

Maneuverability is where the Bent 100 shines

From brass to copper to carbon fiber to aluminum to stainless steel to titanium, contemporary EDC flashlights can be made from a wide variety of materials

I live that it is rechargeable too