Teenage Engineering PO-33 K.O., Micro Sampler, Integrated microphone for sampling, 40 Seconds sampling time, 8 Melody sample slots, 8 Drum slots, 16-Step Sequencer, 16 Patterns, 16 Effects, Lock Tab write protection for pattern, Line in and output 3.5 mm jack, Integrated speaker, Animated LC-display, Power supply via 2 standard micro batteries (AAA), Battery life: Up to a month, 2 years standby, Automatic shutdown, Jam Sync, Integrated alarm, Bent wire stand