There is a convenient BooxDrop application, with which you can transfer files from your computer / phone to the reader and vice versa. Works locally, without external servers, you just need both devices to be connected to the same wi-fi network.
Attached some photos to give readers a more realistic view of the product.
Xiaomi Redmi Note smartphone 5 3/32 GB Global, black
200 Review
Renewed Apple iPad Mini 📱 4 128GB Silver WiFi for Enhanced Optimization
81 Review
Green ASUS Memo Pad HD 7-Inch Tablet with 16 GB Storage (ME173X-A1-GN)
89 Review
Renewed Apple iPad (Latest Model) - 10.2-Inch, Gold, Wi-Fi + Cellular, 128GB
91 Review
Notebook DELL G7 17 7790 (1920x1080, Intel Core i5 2.4 GHz, RAM 8 GB, SSD 256 GB, HDD 1000 GB, GeForce GTX 1660 Ti, Win10 Home)
26 Review
27" Apple iMac All-in-One (Retina 5K, Mid 2020) MXWT2RU/A, 5120x2880, Intel Core i5 3.1GHz, 8GB RAM, 256GB SSD, AMD Radeon Pro 5300, MacOS, Silver
13 Review
Processor AMD Ryzen 7 PRO 4750G AM4, 8 x 3600 MHz, OEM
11 Review
14" ASUS Vivobook Pro 14X OLED N7400PC-KM059 2880x1800, Intel Core i5 11300H 3.1GHz, RAM 16GB, DDR4, SSD 512GB, NVIDIA GeForce RTX 3050, no OS, 90NB0U44-M01450, silver
25 Review