New remote control for Bose wave sound touch music radio system I II III IV. Package Weight: approx.60g Material: ABS Frequency: 433 MHz Remote Range: Around 10 Meters Battery Required: CR2032 (Not Included). 1.No setup needed, insert 1*CR2032 battery (not provided) and you can use it directly. 2.If you have any questions or concerns about the remote control please fell free to contact with us. 3.The lightweight and ergonomic design makes it easy to grip. It's a perfect replacement when the original remote is lost, broken.