FAT32 is factory default drive format, which is read/write compatible with Windows and Mac OS; while NTFS is compatible with Windows but semi-compatible with Mac OS. - No need to install any software, just simple plug into the USB port of computer or other devices and use it!
eBay
30W Wireless Column Big Power Stereo Portable Bluetooth Speaker Subwoofer Bass Party Speakers with Microphone Family Karaoke USB
Aliexpress UK
No external power is required 4.5V ~ 5.5V from USB port. Support USB version 2.0. Storage Capacity:128M/1G/4G/8G/32G optional. Write Rate: 3-8 Mb/S. Hot Plug & Play. Durable solid-state storage. Due to the light and screen difference, the item's color may be slightly different from the pictures.
eBay
Acer USB Bluetooth Dual Mode Speaker Stereo RGB Subwoofer Soundbar 3D Home Surround Speaker for PC Music Gamer Wired Loudspeaker
Aliexpress UK
Could be engraved o n one or both side. SILVER PEN DRIVE.
eBay
Mini Portable Bluetooth Speaker Wireless Stereo Subwoofer Sound Box Outdoor Loudspeaker Support Usb Aux Fm Radio Handsfree Call
Aliexpress UK
PNY Attaché 4 512GB USB 3.1 Flash Drive | High-Speed Portable Storage. PNY Attaché 4 512GB USB 3.1 Flash Drive (Black). The PNY Attaché 4 512GB USB 3.1 Flash Drive combines speed, style, and reliability in one compact device.
eBay
Rotatable Silvery Metal High Speed USB 3.0 Flash Drives 64GB 32GB Pen Drive 128GB 16GB 8GB 4GB Memory Stick Creative Gift U Disk
Aliexpress UK
Capacity Options: 128MB / 256MB / 4GB / 8GB / 16GB / 32GB / 64GB / 128GB. 📦 1 × USB Flash Drive. ✔️USB 2.0 Interface – Fast and stable data transfer. ✔️Durable Design – Plastic shell with life waterproof protection.
eBay
Mini Bluetooth Speaker Wireless with LED Light USB SD Card AUX Subwoofer Portable for PC Mobile Phone
Aliexpress UK
（The Remaining 80% of the storage space is available ）. So the display capacity may differ from the nominal capacity. Compatible Device: Windows 7/8/10,Windows XP, Windows Vista, Mac OS 9.0 all above,Hi-Speed USB 2.0 port required for high speed transfer.
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Makita Cordless Bluetooth Speaker USB Type-C Port Charge Waterproof Loudspeaker Stereo Surround Tools For Makita Battery
Aliexpress UK
USB stick - Unique design! - Shipping from Germany - USB specification: USB 2.0 - USB 3.
eBay
Makita Cordless Bluetooth Speaker USB Type-C Port Charge Waterproof Loudspeaker Stereo Surround Tools For Makita Battery
Aliexpress UK
Capacity:1GB 2GB 4GB 8GB 16GB 32GB 64GB 128GB. Data Retention: Data kept for at least 10 years. Start: Start USB ZIP / HDD start up support. 1x USB Flash Drive. Interface: USB interface, no drives, plug-and-play, hot-swappable.
eBay
Wired Computer Speakers USB Sound Box HIFI Stereo with Microphone LED Light for Desktop Wholesale Subwoofer
Aliexpress UK