Produtrend&trade; Stereo Bluetooth Music Receiver &ndash; Compatible with Virtually all Traditional Wired Headphones & Speakers Bluetooth Receiver Delivers Wireless Capabilities to Wired Headphones or Speaker Advanced Bluetooth Connectivity is Compatible with Smartphones, Tablets & PCs Rechargeable Battery Delivers 10-Hour Listening Time & Impressive 30-Foot Range Intuitive Buttons Enable Effortless Music Control & Switching Between Calls & Music Clip-On Design Offers Hands-Free Convenience for Jogging, Driving, Working Out