The EDC Pico from Lumintop is a super-small USB rechargeable keychain light available in 3 different colours

Specifications

LED: Osram GW PUSRA1 with 50,000 hours lifetime

Brightness: High (130 lumens, 25 minutes), Low (15 lumens, 4 hours 45 minutes)

Distance: 40 Meters max

Size: 41.5*14mm

Waterproof: IP68, 2 meters

Impact Resistance: 1.5 meters