Infrequent Sound [sex.tex] technology: Alesis SamplePad Pro 8-Pad Percussion & Triggering Instrument, 2014, made in China

FEATURES
8 isolated rubber pads
Active blue LED pad illumination
2 additional drum pad inputs
Kick Pedal input; selectable switch or trigger mode
Hi-Hat pedal input; selectable switch or variable mode
200+ built-in drum, cymbal, and percussion sounds
10 ready-to-play drum kits
Add new sounds via SD Card (SD Card not included)
Save up to 512 sounds and 20 kits per 32GB SD card
LCD display and software utility for complete control
MIDI In and Out ports
USB port for computer connectivity
1/4" stereo outputs (L, R)
1/4" headphone output with volume control
1/8" stereo aux input with level control
System footswitch jack

The SamplePad Pro only supports SD/SDHC card, the max size is 32GB, the file format must be FAT16/FAT32.