Android Smartphones/Tablet don't need download app, but need OTG function (NOT compatible with iPhone or iPad with lightning connector). and other OTG enabled USB C phones/tablets. OTG USB C Smartphone/Tablet .
eBay
10Gbps USB 3.2 Docking Station Hub Type C Splitter Data Transfer Adapter with Card Reader Multi 7/8 Ports Switch For PC Laptop
Aliexpress UK
Durable card reader is cast with ABS Plastic, anti-fingerprint, Sturdy exterior and heat-resistant connectors to ensure high data transmission efficiency and ultimate durability for the Card Reader. Super Light Weight and Compact size for you to carry around.
eBay
2.0 2.5/ 3.5 Inch HDD Docking Station Dual USB Multifunctional IDE SATA External HDD Box Hard Disk Drive Enclosure Card Reader
Aliexpress UK
Compatibility with the cards: Micro-SD / SDXC / TF card. 1 x TF reader card adapter. Forces through the USB port, without the need for extra power. USB 3.0 interface, 100% new and high quality.
eBay
Multi-Function USB 3.0 Hub eSATA SATA Port Internal Card Reader PC Dashboard Media Front Panel Audio for SD MS CF TF M2 MMC Memo
Aliexpress UK
United Kingdom. Unit 2 Oxford Court. SKYTECH SOLUTIONS UK LTD.
eBay
8 In 2 USB-C 3.0 Hub 3.5mm Audio SD/TF Card Reader Multi-interface Splitter Adapter Type C Docking Station For Laptop Tablet
Aliexpress UK
The Hama Black USB 3.0 SuperSpeed SD/microSD Card Reader is for reading microSD/microSDHC/microSDXC/SD/SDHC/SDXC. For real-time/broadcast recording, it allows faster and direct data transfer between a memory card and a UHS-I capable terminal device. It has an LED function display which informs you about status of connection, it supports USB 3.0 SuperSpeed upto 5 Gbps but is backward compatible with USB 2.0 (480 Mbit/s) and USB 1.1 (12 Mbit/s). From Hama Germany - not cheap Chinese rubbish found elsewhere. The turbo driver can be downloaded from the Miicrosoft free of charge for older version of windows.
eBay
8 in 1 USB Hub A Type C 3.0 Concentrator Docking Station 8 Port Extensor Adapter SD TF Card Reader Audio Multi Dock Splitter Hub
Aliexpress UK
Slot : Micro SD/Micro SDHC/Micro SDXC + USB 3.0. LED indicator for working status.
eBay
Multi Functional 2 In 1 High-speed USB 3.0/2.0 Card Reader Supports TF+SD Computer Tablet Camera Laptop Car Mounted
Aliexpress UK
SD / TF (MicroSD). MS DUO / MS PRO. Multi-Function Card Reader + USB Hub. Multi-Card Reader Slots Connect USB drives, keyboards, mice, or other USB peripherals. USB-C Interface 3 × USB 3.0 Ports.
eBay
6 in 1 Card Reader USB3.0 to Type C Micro USB Universal OTG Adapter Multifunctional adapter SD TF High-speed transmission
Aliexpress UK
1x Multi-Port 4in1 Universal Card Reader. Material: Pc + Surface Matte. Size: 47.8 59.6mm – 1.88 2.35in.
eBay
Multi-port USB2.0 Hub 10 in 1 Cable Splitter Switch Power USB Disk Card Reader Mouse Keybard Converter Phone Charging Dock
Aliexpress UK