Amazon has 128GB SanDisk Ultra Dual Drive m3.0 w/ microUSB + USB 3.0 Type-A (SDDD3-128G-G46) on sale for $7.83. Shipping is free with Prime or $35+ orders.

Features:

• Retractable design with dual microUSB and USB 3.0 connectors
• High-speed USB 3.0 performance with up to 150MB/s file transfer from drive to computer (Write speeds lower and varies by capacity. Micro-USB port with USB 3.2 Gen 1 / USB 3.0 support required. Based on internal testing; performance may be lower depending upon host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes.)
• SanDisk Memory Zone application (available on Google Play) lets you easily manage your photos and videos (Download and installation required. Set up automatic backup within app settings. See SanDisk Memory Zone website for details.)