They need a technical writer

Deeper apparently no longer supplies car and desk top chargers they say they do in their older ads and YouTube videos. Some have said they did this to lower the price, but they have not confirmed this. In fact the " Safe usage and regulations " pamphlet enclosed with the unit says, "Only use the charger provided with Deeper." Tell us it is ok to use any charger without voiding the warranty ,give us a charger, or tell us ,what kind to use.
There are no printed instructions enclosed other than a " quick guide." You are told to see user manual 2.2 or 2.3, with no link to them.
Why cant we find everything in the box ?
Just tried to set it up. My iPhone says it is connected, but the deeper app says Bluetooth connection lost....6 feet away. The
brief printed instructions make no sense."ios users (only) have to connect to the device after it has been paired with the smartphone." What on earth does that mean? Pairing and connecting are the same thing. I now have a $200 paperweight.No response from customer help yet.

Doc#1 about Deeper Smart Sonar