9 Key Music Box includes the following features : 

• 9 different voices, OEM voices are available, total around 60 seconds
• Operated by 3 AG13 button batteries (included)
• Attached with lanyard

Material :

• ABS housing

Size closed :

• Length of 10.2 cm x Width of 6.1 cm x Thickness of 2.4 cm
• Weight of 60 grams