The Stereo Wireless Business Bluetooth Headphones make it easy to answer calls and use your phone at all times through a single piece and a tap from your finger. Ear clip design provides a secure and comfortable fit that wont slip out during activity. Ear hook and microphone that can be rotated easily and in 180° and 270° angle. Quickly pair your device with the Stereo Wireless Business Bluetooth Headphones Lander. Very time efficient and easy to control! Bluetooth 4.0 Technology uses low energy so expect the Stereo Wireless Business Bluetooth Headphones to have a battery life that lasts long. Intelligent noise reduction technology, accurate audio, increased call clarity, and the elimination of the spatial distance limitation allow you to enjoy calls and music in their natural quality. Incoming call announcements and voice-activated answering up your hands, allowing you to drive with confidence and focus on your work/sports. Compatible with a variety of audiovisual devices and applications. Materials: Electronic Components Color: Black Frequency: 2.4GHz Battery Life: 6-8 Hours Package Contents: Stereo Wireless Business Bluetooth Headphone * 1