This is a proprietary design for SONIM ruggedized phones, intended for first responders, military, and other workers in harsh environments. These phones do not have a common commercial USB charging port, rather a proprietary connector, and this cable is used to connect to a USB power jack. The cable appears to be truly ruggedized, and the plug retention at the phone uses two small (but sufficiently strong) magnets at either end. I have never had a connectivity problem with either the cable received with the phone or with this additional cable purchased for my truck. They appear identical. I would highly recommend these if you have a compatible SONIM phone.
Verified purchase: Yes | Condition: New
Little heftier than the factory cable but just as flexible. Hopefully because it's so thicc the wires won't break like the factory sonim cable. Fast charges well and data transfer is pretty fast. Not quite as sleek/refined as the factory sonim cable but functionality is great so far. Hopefully lasts longer than the two years I got from the factory cable or the year I got from the sonim micro-usb adapter.
Verified purchase: Yes | Condition: New
Good simple and compatible replacement. It works.
Verified purchase: Yes | Condition: New
Very good quality. Excellent charging and synchronization with the computer
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
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