Trezor One wallet is the first wallet created by Satoshi Labs in 2014 and it is the first known wallet that was commercialized. Presently one can buy it from Amazon stockist and from some online boutique, but when doing that one must be very careful of scammers. The shipping cost is also worthy of consideration.
The wallet is not heavy because it was totally made of plastic and is 60mm by30mm by 6mm in size. It has 128 by 64 pixels Oled display, it also has a micro USB port and and small USB cable, and 2 buttons as it is main features. If it is new it will be packed in a small box and sealed at both end with a tamper proof holographic seal. A manual will be included and 2 small booklet with which to store your 24 words seed phrase, as well as certain Trezor stickers.
The software that came with the device does most of the job, the user will have to install the software first on a device and input all security measures like pin, password etc, then anytime it is to be use, the Trezor wallet will be connected to the device using a USB cable.
The device has inbuilt exchange so that users can buy or sell different cryptocurrencies with it. Since it is hardware wallet the possibility of it being hacked is minimal. There is good support service from the producer.