【Magnetic Design】With MagnetX 6.0 intelligent magnetic design, hang like a necklace around neckband. It allows you to play/pause the music on your device or answer/end phone calls by attaching and separating the earbuds.【Bluetooth 4.1】Equipped with Bluetooth 4.1 and EDR APT-X audio decode technology, ensure high-fidelity stereo music and clear voice within 10 meters / 33ft.【IPX4 Sweatproof】 With Ergonomic design and different sizes of ear tips, the neckband bluetooth earbuds is great for Gym, Running, Jogging, Hiking, Cycling, and workouts. Premium soft smooth silicone gel surface helps sweat-/ water-/shock-/dust-proof.【Long Play Time & Built-in HD Microphone】Provides up to 5-7 hours of play time & 180 hours of standby time on a full charge. It allows you to receive a call,pick up directly and start chatting away instantly.【Lightweight】CVC 6.0 Noise Cancellation reduces the unwanted background noise efficiently. Ultra light weight (Only 0.57oz) make you feel cosy. High Quality Guarantee and 18-Month Warranty.