What are the optional accessories? Waterproof case (Waterproof to a depth of 40M) Selfie Stick Bluetooth remote control YI Handheld Gimbal Floating hand grip Storage pouch Helmet band Headband Chest strap Leather case Related articles Does the YI 4K Action Camera have a dash camera mode? How do I use the dash camera mode? How do I pair the Bluetooth remote control with my YI 4K Action Camera? Setting Up Your Camera With YI Home app what are the requirements for the external microphone with YI 4K+ Action Camera Can I play videos by using the HDMI port?