YGS QY8Green Bluetooth  (Green, In the Ear)

Latest Bluetooth 4.1 technology; easy and fast pairing with smartphones, tablets and other Bluetooth enabled music devices; aptX codec provides pure, CD-like high quality sound for compatible devices. Long battery life: Built-in high performance polymer 80mAh battery, 5 hours talking/playing time, and about 175 hours standby time. Good noise isolation to create the optimal environment for listening to your favorite tunes, built-in microphone with noise cancellation for clear calling and friends chatting SignalPlus for skip-free music outdoors. Use your music device left/right side, above/below waist, doesn't matter with SignalPlus High-fidelity stereo music and clear speech, You can begin enjoying CD quality stereo sound instantly.