1. Made of Aluminum alloy, light, strong, durable and comfortable to touch; 2. Does not affect the "1/4" threaded handle and battery life handle connection; 3. Do not block the use of remote sensing, buttons and charging interface; 4. Expandable to be used as a cover, bicycle stand, extension pole, tripod, headband, chest strap, car suction cup and other . 5. Applicable models:For Pocket3 Colour:Black Material:Aluminum alloy Package Contents: 1 x Expansion Frame Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.