These are Jmary MT-39 portable 2-in-1 tripods.
Design: These are versatile stands designed to function as both a traditional tripod and a selfie stick.
Dimensions: They have a folded height of approximately 44 cm (440mm) and can extend to a maximum working height of roughly 153 cm to 155 cm (1530mm-1550mm).
Features: They include a universal phone holder, a 360-degree rotating head for flexible shooting angles, and are constructed from aluminum and ABS plastic.
Load Capacity: The tripods have a maximum load capacity of approximately 1 kg.