Gift Flashing with music: disco lights have two modes to follow the music. Press and hold the switch for two seconds to switch between two modes. It is always on when no sound is heard, and flashes when there is sound. 2. It is off when no sound is heard, and flashes when a sound is heard.300 mAh battery: this mini disco ball has a built-in 300 mAh battery, which can last 5 hours and takes 1 hour to charge. The product comes with a charging cable. Ideal for bedrooms/festivals/parties or places without electricity. Very suitable as a birthday gift for children.USB charging: Charge the battery almost anywhere, USB power supply / power bank / laptop / car USB etc., can be used anywhere after charging.Small and portable: small and easy to carry, very convenient to use, just press the switch to use it. Mini disco lights can also be a perfect gift for children. Suitable for family parties, birthday parties, dance parties, DJ bars, camping, Christmas and other party scenes.Product contains: 1 x mini disco light, 2 x self-adhesive metal round plate, 1 x charging cable, 1 x instruction manual (English language not guaranteed). Size: 82 x 80 x 54 mm, weight: 100 g. High brightness with small size, the light can be placed directly on a table or chair or mounted on a wall or ceiling.