For Stereo Listening. - Our lightweight Bluetooth Stereo Headset lets you listen to your music from any Bluetooth enabled device, like smartphones, MP3 players, computers, iPad, iPhone, and more without the hassle of annoying wires. For Phone Calls! - Need to take or make a call.The Azeca Headset with Bluetooth Wireless Technology makes it easy. With the touch of a button, you can answer, redial, mute, or make voice calls. And, the barely visible TinyMic microphone lets you talk freely without a visible microphone arm. Being extra lightweight at just 1.4 ounces, they are great for running or working out. Why Azeca? Compared to other stereo Bluetooth headset with similar designs, ours are optimized for stereo music listening. The high-performance, sweat resistant speakers allow sweat to pass them by with a time tested, comfortable, vertical-in-ear design. There are separate easy-to-reach controls for volume, next/previous track, and pause. The unit is USB rechargeable (about 1.5 hours) and automatically pair with the last paired Blutetooth device. With one charge you can listen to music for 3.5 hours, talk for 5 hours, or remain on call standby for 6 days. Bluetooth profiles (V2.1+EDR): A2DP, AVRCP, HFP, HSP. Includes: headset, USB charging cable, case, and manual. Model BTH010. Compatible with all major brands of mobile phones, smartphones, and music players that feature Bluetooth Wireless Technology. Bluetooth Stereo profile (A2DP) required. For Bluetooth profile A2DP this product is compatible with: iPhone 4/4S, iPhone 3GS, iPhone 3G, iPad, iPod touch (2nd, 3rd and 4th generation) when running the latest version of the device software. Limited 1 year warranty.