Geega QY7 V4.1 Bluetooth Mini Lightweight Sports Earbuds, Wireless Stereo Headphones, Bluetooth 4.1 Neckband Earphone, Running Gym Exercise High-fidelity Sound Headset with Aptx Mic (Green) Bluetooth 4.1 Technology, super connectivity, enable consistent connectivity and low battery consumption. With bulit in HD microphone, allows you to listen to music and answer hand free phone calls comfortable, ideal for doing sports or exercise. Sweat-proof, durable design, onscreen battery meter, up to 4.5 hours of talk/playing time and 150 hours standby time. Ultra compact, small and light-weight, universally compatible headset, extremely easy to use. AptX technology, surrounded stereo sound, high-fidelity stereo music and clear speech, creating excellent music and movie experience.