Volkano Olympian Dual 15†Party Speaker VK-3900-D15 USB SD Card Aux Inputs Dual 15 Woofers Microphone Input & FM Radio Light Effects Bass & Treble Control
Hikvision M200 USB 32GB Flash Drive Extends Storage Capacity for Devices & Realizes Quick Backup & Storage for Files Provides Android Devices & Devices with a USB Interface with a Quick, Stable & Easy Data Transmission.