1. Made of CNC aluminum alloy, it has high strength and hardness, is durable and feels comfortable to the touch. 2. It does not affect the connection of the two handles and the connection of the charging cable. 3. Contains two interfaces, a two-prong interface for action cameras and a bonus 1/4 adapter to expand more possibilities. 4. Easily adaptable to Sunnylife TD672 headband, ZJ666 backpack clip, ZJ585 sun visor bracket, ZJ554 magnetic hanging neck bracket, Q9404 tripod, Q9266 bicycle clip, extension pole, etc. 5. Material: Aluminum alloy 6. Net weight: 21g (only adapter)