Teenage Engineering OP-1 Synthesizer + case, bender, antenna, brick shaft, crank

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"Protective padded carrying case
Quickstart overlay
Crank + four color tops
Brick Shaft - Use with LEGO™ compatible gears and motors. Includes four colors.
Radio Antenna - 3.5 mm plug-in Radio Antenna
USB cable - For charging and file transfer
Manual Available here

OP-1 Key Features.

Multiple Synthesizer Engines with Exchangable Architecture
Built-in 24 Voice Instant Live Sampler
4 track Tape Recorder with Variable Tape Speed
6 Minutes Recording Time. (Up to 24 Minutes)
4 track Mixer with EQ, Effect, Drive and Master Out
Multiple Exchangable Effects
Multiple Exchangable Sequencers
USB MIDI Controller – MAC & PC Compatible
2-Way USB File Transfer – MAC & PC Compatible
Color Coded Vector Based User Interface
Instant Reverse and variable Tape Speed Recording
Full Classic Tape Editing Capabilities
Master Tempo with Beat Matching to Tape Feature"