The Bose SoundLink Mini II is a Wireless Bluetooth Speaker that delivers high quality audio from a compact design. The device weighs approximately 1.5 pounds and has a Bluetooth range advertised up to 30 feet. The device was released after June 26, 2015 and is Identified by model number 725192-1110.
What part do you need? iFixit does not sell the parts for your speaker, but I may be able to provide you with links.
da Andrew S