Power Supply: Built-in battery per piece
Single Size: Diameter 6.5cm(2.55in)
Package Includes: 6 x Pet sound ball
– Package includes 6 different colors pet sound balls and each color has 1.
– Please refer to the measurement. Tiny measuring error is allowable in normal range.
– There might be a little color difference due to the monitor, camera or other factors, please refer to the physical item.
6 x Pet sound ball