Based on this product's specifications, here are some alternatives and similar models
Holder for Outin Nano by OUTIN, model OT-STD-02
Summary description:
Holder for Outin Nano (model OT-STD-02) by OUTIN is an accessory designed to secure the Outin Nano device. It provides a stable mounting solution for placing or attaching the Nano in compatible setups. Use it to keep the device fixed during operation, transport, or storage, improving stability and protecting the unit from accidental movement.