Ourmes xiao yi Action Head mount Strap, xiaomi camera Headstrap Mount + Screws + xiaoyi adapter, for xiao mi amera, Sony sport camera, Gopro HD Hero 4 session Hero 4 3+ 3 2 1 SJ4000 Go Pro Accessories Comfortable: Made of Durable Nylon Material & Polycarbonate Adjustable: One size fits all adjustable head strap mount allows for use on head and helmets. Easy to use: Frees up your hands while you capture your favorite sports and activities. Captures a perspective that's like looking through your eyes. Compatible with xiaomi sport camera, xiaoyi camera, Sony sport camera, GoPro Hero 1, Hero 2, Hero 3, Hero 3+ and Hero 4 cameras NOT RECOMMENDED for high-impact sports. Only recommended for non-impact activities , Camera Not Included !!