Powered by replaceable, long lasting batteries, you can have up to 35 hours of playtime. Weight: 3.9 oz./112 g. Diameter: 2.5 inches /63mm. Includes 2 replaceable CR2032 batteries.
Protected inner core contains an advanced motion activated LED module with bright red or color changing Disc-O LEDs and it turns on with a simple bounce.auto shut-off function after 10 minutes without a bounce. The molded, shockproof, removable polycarbonate core houses the LED battery module and screws securely into place creating a waterproof seal.