• The function is to install the Go-Pro camera to a drink bottle
• The top connects directly to the waterproof case of the Go-Pro camera, and is also suitable for the waterproof cases of sports cameras such as for Xiaomi Xiaoyi and SJ
• The bottom mounts to most plastic water bottles on the market and can be used as a Go-Pro buoyancy bar and tripod
• Compatible with GoPro Hero, Xiaoyi, SJ and other sports cameras
• Suitable for plastic bottles, individual bottle sizes are not available for use

Specifications:

• Product name: Bottle cap adapter mount
• Material: Plastic ABS 
• Weight: 10g
• Cap diameter: 3.1 cm
• Cap height: about 3.6cm