Enjoy wireless audio from your Bluetooth cell phone or computer with this Coby CSBT-302-GRN Portable Bluetooth Speaker! It features a wrist strap to makes traveling easier and delivers powerful, crystal-clear sound. The portable wireless speaker is Bluetooth version 2.0 compliant and is compatible with mobile phones, tablets, laptops, and computer systems that offer Bluetooth. The built-in 3.5mm audio jack allows you to connect an MP3 player and other devices. Plus, it's compact wrist strap design, lets you take it anywhere you go!