busch muller busch muller busch muller busch muller busch muller busch muller busch muller busch muller bumm ixon rock koplamp batterijThis USB rechargeable headlight is a handy accessory for cyclists. During the day, it can even serve as a USB power bank for your phone, with a full charge of up to 1500mAh. The headlight easily mounts to handlebars from 22 to 32mm using the twist and click handlebar mount. Three lighting levels: Highest setting: 100 lux (2: 30 hours battery life) Middle setting: 50 lux (6 hours battery life) Lowest setting: 15 lux (25 hours battery life)