Key Takeaways Ruko R1 Mini Specs The Ruko R1 Mini Robot Dog is about 6.3 inches long, weighs 8.8 ounces and runs up to 50 minutes per charge. Spec Details Price $59.99 (MSRP) Age range 3 and up Size 6.3 x 4.13 x 3.39 in Weight 8.8 oz Robot battery 3.7V 1200mAh 18650 rechargeable, included…