YourTech BH-503 Red Bluetooth Stereo Headphone - Supports Wireless Music Streaming and Hands-Free calling with all Smartphones with Bluetooth capability iPhone, Samsung Galaxy, HTC One, Motorola Droid, Android, Nokia, Blackberry Bluetooth v2.1+EDR Class 2, SBC, MP3 and AAC decoder support Premium audio quality with Wolfson audio codec Distance coverage up to 10 meters Built-in clear, crisp CD-quality stereo Multi-link function to connect with a Bluetooth mobile phone and a Bluetooth A2DP device (e.g. Bluetooth dongle) simultaneously to switch freely between call and music.