This musical baby mobile is a great addition for a newborn, featuring 35 songs to play. It can be securely attached to a baby's bed using arms or brackets, allowing toys to be hung from the hook to help soothe the child and support easy sleep. The mobile supports the development of children's interests and encourages learning. Audio stories or songs can be downloaded into the music box via USB cable. The bottom hook rotates during music playback, enabling the attachment of sounding toys. Powered by 2 AA batteries (not included) USB input: DC 5V 100mA Item weight: 100g (3.53 ounces) Item dimensions: 140 x 90 x 37mm (5.51 x 3.54 x 1.46 inches) Package weight: 156g (5.50 oz) Package dimensions: 150 x 103 x 40mm (5.91 x 4.06 x 1.57 inches) Notes: 1. Please allow for slight measurement deviations due to manual measurement. 2. Item color may vary slightly due to differences in lighting and monitor display. 3. Please refer to the user manual to understand the function buttons before use. 4. Replace the battery when power is low to avoid noise caused by insufficient power. Package includes: 1 x Music Box 1 x USB Cable 2 x User Manual