Sony · Companion robot dog (vintage)

Sony aibo ERS-210

Second-generation aibo (2000)

Purchase price Collector item; not sold new

Released: 2000
Degrees of freedom: 20
Runtime: Approx. 1.5 h
Weight: Approx. 1.5 kg
Environment: Indoor homes
Best for: Collecting and display

Up close

The Sony aibo ERS-210 was the second-generation aibo, released in 2000 with the iconic rounded design. It added movable ears, facial LEDs, more touch sensors and voice recognition, with 20 joints, a camera and about 1.5 hours per battery. It is now a collector's and restoration model; function depends on its battery, Memory Stick software and condition.

Key features

Iconic design

The classic rounded aibo look.

More expression

Movable ears, facial LEDs and more touch sensors.

Voice and photos

Responded to voice and could take photos.

Is it right for you?

Good fit if

Collectors and display
Restoring an ERS-210
Robotics-history exhibits

Not ideal if

An everyday supported companion robot (see aibo ERS-1000)

Where it works

Collecting
Museum and exhibition display

Specifications

Robot type: Companion robot dog
Main purpose: Companionship and play
Operating environment: Indoor homes
Availability: Discontinued; current model is aibo ERS-1000
Mobility: Autonomous quadruped, 20 DoF; movable ears and tail
Runtime: Approx. 1.5 h
Battery / power: Lithium-ion battery
Navigation / control: aibo software on Memory Stick; optional wireless LAN
Sensors: CMOS camera, stereo microphones, infrared distance, acceleration, touch, vibration, temperature
Dimensions: Approx. 152 × 250 × 281 mm
Weight: Approx. 1.5 kg

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Pricing

🇺🇸United States

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Questions

Can I still buy a new aibo ERS-210?

No. Sony discontinued it long ago; units now come from collectors. The current model is aibo ERS-1000.

What should I check before buying one?

Battery health, joint condition, the original Memory Stick software, and whether the charger and accessories are included. Original batteries and parts are scarce.

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