Main Features:● With an ergonomic design and silicone ear hooks, secure behind your ears● With advanced apt-X tech, the in-ear design offers incredible sound quality with deep bass and crystal clear treble, works great for soundtracks, audio books, relaxing sounds, and even techno music● With CVC 6.0 technology, the Bluetooth earbuds reduce background noise, so you can focus on your favorite music, no matter where you are● Bluetooth v4.1 technology for seamless syncing to your favorite wireless devices, including iPhone, iPad, Android cell phones, windows phones, and more up to 10 meters● Deliver up to 8 hours of play time on a full charge, voice prompt allows notification of incoming calls and phone numbers, so never miss a phone call