4K Hands-free Recordng: Shoot anytme, anywhere, freeng your hands to easly record 4K frst-person vdeo and capture wonderful moments wth famly, chldren, pets, and frends. Perfect for outdoor actvtes such as cyclng and motorcyclng. Weghng only 35.7 grams (1.25 ounces), thumb-szed: The 3 4K Mn Acton Camera s ncredbly compact, smaller than a thumb, and weghs only 35.7 grams (1.25 ounces). You can wear t on your body and barely feel ts presence; t blends seamlessly wth your body. It wll brng you a whole new and exctng experence. 150-mnute super-long battery lfe: Ths mn 4K acton camera s equpped wth an 800mAh rechargeable lthum-on battery for extended battery lfe. It can record up to 150 mnutes of vdeo contnuously n 1080P mode, 120 mnutes n 2K mode, and 90 mnutes n 4K mode. Furthermore, ths camera supports recordng whle chargng, meetng your needs for long, unnterrupted recordng sessons. Easy to Attach: The 3 Acton Camera features a magnetc desgn that allows t to adhere to ferrous metal surfaces. It also comes wth a magnetc lanyard pad, lettng you quckly secure t to your chest n just one second. Wth the 360 rotatng sprng clp, you can easly attach the camera to your collar, pocket, wast, and other locatons. In addton, t ncludes seven other mountng accessores for attachng t to bcycles, motorcycles, helmets, and other gear. 131 Feet (40 Meters) Waterproof: Ths mn camera comes wth a waterproof housng, allowng t to submerge to a depth of 131 feet (40 meters), makng t deal for dvng, snorkelng, and surfng. Please note that the camera tself s not waterproof; a waterproof housng s requred for waterproofng.