BGNING Braccio galleggiante galleggiante testa a sfera doppia immersione in alluminio per DJI OSMO per Gopro
Product buoyancy: about 39g, 47g, 55g, 63g, 71g, 79g, 87g, 95g. The net buoyancy of the product is about -14g, -8g, -2g, 4g, 10g, 16g, 22g, 28g. New upgraded double-ball head hollow design to reduce its own weight;.