RC-1

Loop Station

Straightforward and easy to operate
Newly designed loop indicator displays the current loop mode (Rec/Overdub/Play)
Runs on a single 9-volt alkaline battery (approximately 4.5 hours of battery life)
Can be used with an optional AC adaptor (PSA series: sold separately)
12 minutes of stereo recording time
Stereo inputs and outputs
Flexible external footswitch options
Recorded phrase is retained in memory even after the RC-1 is turned off
BOSS five-year warranty

https://www.boss.info/us/products/rc-1/