Ulanzi ST-29 universal holder has an adjustable sliding design and supports mobile devices with width or height from 6.7 to 22.5 cm. The bottom clamp includes a dedicated cutout for a charging cable, and the top includes a hot shoe mount. Two 1/4″ threads on the body are provided for mounting to a tripod, selfie stick, or monopod. Buttons on the back release the sliding mechanism.