Sleek, stylish and comfortable, the Biolight Headlamp will brighten up any adventure. The Biolight Headlamp gives you high level comfort, performance and powerful 330 lumens all in a sleek, simple and stylish package. It designed to give comfort and fit unlike any other headlamp on the market, thanks to Biolighs 3D Slimfit Construction. The soft, stretchy headband made with breathable fabric which wicks moisture away from the skin and keeps the wearer cool and dry even during high intensity activities. With a front profile of only 9 milimeters the headlamp unobtrusive and sits flush on the forehead without uncomfortable bouncing or slippage.The Biolight headlamp fully rechargeable via a common Micro USB input, meaning it can be charged as simply as any mobile phone and can be plugged into a car, solar unit or power bank for power on the move. A full charge gives a whole 40 hours of illumination when used in the low light setting, or 3 and a half hours on high setting. The Headlight features four different lighting modes, including a powerful white spotlight or white floodlight with dimming settings, a red flood mode and red strobe mode. All modes are accessible via one simple-to-use switch which also features a lock setting. Altogether, the rechargeable battery not only powerful, but the lack of alkaline batteries dramatically reduces the bulk and weight of the headlamp - the whole unit weights just 69 gramsWith its high levels of power, low bulk and light weight, the Biolight Headlamp sure to brighten up any adventure. Whether youre running trails or relaxing around the campsite, this super comfy headlight will keep things in focus.