With a low weight, comfortable fit and a USB rechargeable battery, it will guide you on any trail, again and again. Is running part of your weekly exercise routine? Or maybe you just enjoy the rush? We get it ? and we created Trail Runner 4X for you. With a low weight, comfortable fit and a USB rechargeable battery, it will guide you on any trail, again and again. Ready when you are.This is a comfortable, lightweight headlamp optimized for dedicated runners. It?s powered by a nimble, USB charged 2.4Ah-battery, placed in a Velcro soft case with multi attachment options. The battery pack also comes with an extension cord, which gives you the possibility to carry the battery in your pocket and saving battery life by keeping it warm. With a unique combination of long reach spot light and close flood light, Trail Runner 4X is the perfect guide on any dark trail. So forget about the darkness and focus on the running.Attachment: Headband Battery: 1 x Li-Po 2.4Ah Battery indication: Green/Red LED Beam pattern: Intelligent Light® ? optimized light distribution Bulb type: 2 x semi high power LEDs Charging time: USB/4h Discharge time (max mode): See matrix table Discharge time (min mode): See matrix table Light distance: See matrix table Light modes: Blink, Max, Med, Min Light output: 350 Lumen Material: Aluminium, PC/ABS, TPU Water resistance: IPX5 ? water resistant Weight (lamp unit): 49g Weight (battery): 84g