Please know that it's not a headlamp made by sofirn
B50 alone-- B50 complete headlamp
B50 21700 set-- B50 + Sofirn 4000mah 21700 battery
1, Variously powered: with type-C USB charing port, never worry about running out when computer/ powerbank/ adaptor/ car chargers around hands. And it can compatable with AAA batteries, 18650 battery or 21700 battery
2, Super Bright: outputing 1200 lumens on Turbo, lights up well in night running, hiking, camping, caving, climbing, searching, emergency, power off, etc.
3, 6 modes of brightness to meet different needs: with 5 pcs of LED bulbs, Main light-- Side lights-- High-- Low-- Strobe; Turbo to get different kinds of brightness indoor or outdoor.
4, Coming with magnetic tail and clip, can be used as headlamp/ tent light/ repair light/ hat light etc.
Product name: G6 new multifunctional aluminum headlight
Material: aviation-grade aluminum body, wear-resistant hard anodized cold white light
Brightness: 1200 lumens
Working mode: Turbo(3 bulbs lightens)-off
Main switch: main light- side lights- High-Low - Strobe- Off
Battery type: 1* 21700/18650 rechargeable battery or 3* AAA batteries
Charging: USB Type-C cable
Lighting distance: 200 meters
Product size: 9.1*2.11.73 cm
Impact-resistant: 1.5 meters