HKM-770771 Bluetooth 4.1 Headset with Wired Capabilities, Noise Cancellation, 40 Hr Battery Life, and 1.5m Cable LengthExperience sound like never before with the HKM 770771 Bluetooth 4. 1 Headset. This headset is thoughtfully engineered to cater to your everyday audio needs, whether you're listening to music or taking important calls. Equipped with advanced noise cancellation technology, you'll be able to immerse yourself in your favorite tracks without external distractions. The impressive battery life, providing up to 40 hours of music playback and 45 hours of talk