The 70mm Arca-Swiss Plate with Smartphone Adapter from Benro is a 2-in-1 camera plate and smartphone adapter designed into one device.
The unit features an Arca-Swiss style camera plate compatible with most Arca-Swiss style ball heads, 3-way heads and gimbal heads The included adapter allows you to mount a smartphone to the plate for use with a tripod head for both photo and video applications. The plate is constructed out of high-quality CNC machined aluminium, and stainless steel rods so you can securely mount a smartphone to the camera plate. Additionally, a cold shoe mount is also provided for attaching additional accessories such as a light or microphone.

Compatible with most Arca-Swiss style ball heads, 3-ways heads, and gimbal heads
Cold shoe accessory mount for microphone and lighting accessories to the included cold shoe mount
Stainless steel rods for securing smartphone
High quality CNC machined aluminium