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
Mini Portable Bluetooth Speaker Wireless Transparent Bluetooth Soundbar Subwoofer With Colorful Light TF Card MP3 Music Player
Aliexpress UK
Supports SD, SDHC, SDXC, and Micro SD (TF) cards for effortless file access and backup.
eBay
Rockmia EBS-905 3W*2 Wearable Neckband Speaker Bluetooth 5.0 Hands-free Ear-Free for TV Game Play Home Outdoor Use TF Card
Aliexpress UK
Model type c sd Card Reader. Button/Coin batteries can cause severe injuries or even death when swallowed. Keep batteries out of the reach of children. We’re proud to serve you and bring a smile to your face with our top-notch service and products.
eBay
Portable Subwoofer Bluetooth Speakers Outdoor Stereo Surround Waterproof Loudspeaker Wireless Sound Box Support FM Radio TF Card
Aliexpress UK
New high-quality USB-C to SD card reader adapter Type-C suitable for Apple iPad, Macbook Pro Air 13, Samsung. 10M Draught Excluder Weather Strip Rubber Seal Foam Sticky Tape Door Window. Function: Transfer files from a storage card or USB drive to a phone, tablet, or laptop, and export files from a phone/tablet to a storage card or USB drive.
eBay
Car Shaped Bluetooth Speaker Subwoofer Portable Wireless BT Music Car Bass Speakers TF Card USB Drive Radio Handfree Sound Box
Aliexpress UK
1 x USB 3.0 Card Reader (SD, TF card not included). Ultra mini size, easy to carry. USB 3.0 interface. Cute and tiny, easy to take. Just plug and play. Small and compact design, easy to carry. LED power indicator display working status.
eBay
A10 Wireless Bluetooth speakers Outdoor Subwoofer Mini Portable Speaker Music Aluminum Alloy TF Card Radio Sound voice box
Aliexpress UK
Super speed USB 3.0 and backward compatible with 2.0/1.1 (Micro USB port just USB 2.0). - USB 3.0 interface for PC, and micro USB port for the smart phone. 1 x USB 3.0 Card Reader. Type: Card reader.
eBay
EBS-300 5W Mini Portable Bluetooth Speaker Fabric Mesh TF Card Music Box IPX6 Waterproof For Phone PC Taplet Palyer
Aliexpress UK
This compact USB-C card reader is your best friend for quick file transfers. Works with your iPhone 15, iPad, MacBook, Samsung Galaxy, and other USB-C devices. 📸 Get Your Photos Off Your SD Card in Seconds!
eBay
TG392Bluetooth speaker Outdoor Portable Mini Wireless Stereo Speaker TWS Stereo Subwoofer Rod Hands-Free Call/FM/TF card/U disk
Aliexpress UK
Negative port: USB port, SD port, SDXC port, flash drive port. This converter adapter can be used to connect USB sticks, SD cards, and other data-related products to your phone, tablet, iPad, laptop, Mac Book, and other devices.
eBay
ZEALOT-S32PRO 15W Portable Bluetooth 5.2 Speaker Outdoor Waterproof Wireless TWS Mini Column Box Speaker Outdoor TF Card
Aliexpress UK