This item is in excellent working condition and barely used.
From Roland:

The TR-08 is an obsessively detailed and faithful replica of the legendary TR-808—easily the most famous and influential drum machine ever made. After creating a monumental shift in the sound of music, the “808” has continued to shape and define entire genres. Beloved by musicians and producers the world over, it’s one of the most revered and sought-after electronic musical instruments of all time. The TR-08 brings the look, sound, and feel of the original 808—with stunning accuracy—to the Roland Boutique format. It blends attention to detail and respect for legacy with modern convenience and reliability.

• Ultra-compact recreation of the legendary TR-808 drum machine
• Retains the sound, character, and user interface of the original TR-808
• Hands-on control including tone, level, tuning, and decay
• Added Compressor, Gain, Tune, and Pan for selected instruments
• Programmable via classic Step and Tap write modes
• Sequencer has 16 steps with 16 sub-steps for detailed patterns and rolls
• Continue playing beats even while switching between write modes
• LED display for easier navigation and fine control of tempo and shuffle
• Ten separate outputs via USB audio
• Dedicated, track-selectable trigger output for controlling external instruments
• High-quality construction with metal front panel
• Highly portable for mobile music making
• Includes DK-01 Boutique Dock for multiple-angle viewing
• Battery-operated (4 x AA) or USB powered
• Built-in powered mini-speaker for instant enjoyment
• Compatible with optional Roland Boutique accessories

User Memory: Pattern, Intro/Fill-In: 16 Bank (12x16 Pattern, 4x16 Intro/Fill-In)
Steps: 16 steps with 16 sub steps
Instruments:

• BD: BASS DRUM
• SD: SNARE DRUM
• LC: LOW CONGA, LT: LOW TOM
• MC: MID CONGA, MT: MID TOM
• HC: HI CONGA, HT: HI TOM
• CL: CLAVES, RS: RIM SHOT
• MA: MARACAS, CP: HAND CLAP
• CB: COW BELL
• CY: CYMBAL
• OH: OPEN HI HAT
• CH: CLOSED HI HAT

Controllers:

• VOLUME knob
• START/STOP button
• TEMPO knob
• BANK/TEMPO/SHUFFLE button
• FINE/VALUE knob
• mode selector knob (PATTERN CLEAR, PATTERN WRITE 1st PART/2nd PART, MANUAL PLAY, RHYTHM TRACK PLAY, COMPOSE)
• INSTRUMENT/TRACK selector knob
• CLEAR button
• BASIC VARIATION selector switch and indicator
• AUTO FILL IN selector knob
• TRIGGER OUT track select button
• ACCENT LEVEL knob
• Instrument LEVEL knob (all instruments)
• TONE control knob (BD, SD, CY)
• DECAY control knob (BD, CY, OH)
• SNAPPY control knob (SD)
• TUNING control knob (LC/LT, MC/MT, HC/HT)
• Voice selector switch (LC/LT, MC/MT, HC/HT, CL/RS, MA/CP)
• PRE-SCALE selector switch
• STEP button (1-16) and indicator
• I/F VARIATION switch
• TAP button
• MENU/SUB STEP button
• 1st PART/2nd PART indicator
• Power switch

Effects: Compressor
Indicators: 7 segments, 4 characters (LED)
Connectors:

• TRIGGER OUT jack: mono miniature phone type
• PHONES jack: stereo miniature phone type
• OUTPUT jack: stereo miniature phone type
• MIX IN jack: stereo miniature phone type
• MIDI (IN, OUT) connectors
• USB port: Micro-B type (Audio, MIDI)

Power Supply:

• Rechargeable Ni-MH battery (AA, HR6) x 4
• Alkaline battery (AA, LR6) x 4
• USB bus power

Current Draw: 500 mA (USB bus power)
Accessories: 

• Boutique Dock: DK-01 (Black)
• Owner's Manual
• DK-01 Owner's Manual
• Leaflet "USING THE UNIT SAFELY"
• Alkaline battery (AA, LR6) x 4

Width: 12-1/8 inches
Depth: 5-1/8 inches
Height: 2-1/16 inches
Weight (including batteries and Boutique Dock): 2 lbs 14 oz
Please Note: The item displayed in the images may not be the actual item you receive.