1、Widely compatible for Gopro SJCAM Xiaomi Yi action cameras. 2、There is a plastic cap on the bottom and you can unscrew it to store air, and then screw it firmly, which aims at adding buoyancy on water. 3、Anti-skid textured handle is comfortable for grip and easy to operate. 4、With a lanyard to ensure extra security for camera. 5、Perfect for some water sports and activities, such as diving, surfing, swimming, etc. Features: Widely compatible for Gopro SJCAM Xiaomi Yi action cameras. There is a plastic cap on the bottom and you can unscrew it to store air, and then screw it firmly, which aims at adding buoyancy on water. Anti-skid textured handle is comfortable for grip and easy to operate. With a lanyard to ensure extra security for camera. Perfect for some water sports and activities, such as diving, surfing, swimming, etc. Specification: Condition: 100% Brand New Material: Plastic + Silicone Size: Approx. 18 * 3.8cm / 7.1 * 1.5in Weight: Approx. 76g Packing List: 1 x Floating Hand Grip 1 x Wrist Strap 1 x Screw * Camera or other accessories are not included. Note: Please allow slight color deviation caused by different monitors. We appreciate for your understanding.