Smartphone Holder and Tripod Mount Ulanzi ST-07 with 1/4" Thread (model SB5855)

The Ulanzi ST-07 is a smartphone holder and tripod mount designed for stable attachment of mobile devices to tripods, monopods and other accessories via a standard 1/4" threaded connection. It secures phones for photography, videography, livestreaming and remote meetings, offering compatibility with common tripod heads and accessory mounts while maintaining a compact form factor suitable for field and studio use.

Advantages

The holder provides a reliable 1/4" threaded interface that fits most tripods and support systems, enabling straightforward mounting and quick setup. Its clamp mechanism holds smartphones securely and reduces undesired movement during recording or live transmission. The compact construction makes the mount easy to carry and integrate into existing rigs without adding significant weight or bulk.

Suitable for

• Smartphone photography and video recording
• Live streaming and vlogging
• Video conferencing and remote meetings
• Use with tripods, monopods and gimbals that accept 1/4" threads
• On-location shoots where a lightweight, portable mount is needed

Key specifications

• Mount type: smartphone clamp with tripod mount
• Thread: standard 1/4" threaded connection for tripod compatibility
• Compatibility: fits most smartphones within typical clamp width range
• Material: durable lightweight construction suitable for regular use
• Form factor: compact and portable for field and studio workflows

How to use

Open the clamp to accommodate the smartphone, center the device and close the clamp to secure it. Attach the holder to a tripod, monopod or accessory by screwing the 1/4" threaded connection into the mounting socket of the support. Adjust the phone orientation and any tripod head settings to achieve the desired framing and angle, then tighten connections to minimize movement during use.

Usage recommendations

For stable results, ensure the smartphone is centered in the clamp and all threaded connections are fully engaged and tightened. Verify compatibility with your tripod head and avoid overtightening plastic components to prevent wear. Use the mount indoors and outdoors as needed, and store it in a protected case to extend its service life.