Features Superior Sound Quality Support aptX wireless transmission to deliver high-fidelity stereo sound quality with low latency. Adopt CVC 6.0 noise cancellation technology, it enables you to enjoy music or phone calls with the built-in HD microphone anytime, anywhere. Sweat-resistant IPX5 Water and sweat will not penetrate the earphone from every direction corresponding to IPX5 under IEC standard 60529. Powerful Wireless Function Connect seamlessly with most BT-enabled smartphones, tablets, personal computers or other devices up to 33 feet away. Display the battery level of the headphone on your iPhone. Built-in Magnetic Design Enable you to attach the two earphones together and wear them like a necklace around your neck. No worry about dropping the earphone. Comfortable Wearing Experience Lightweight and ergonomic design makes it comfortable to wear. Included soft S/M/L ear caps provide customized wearing experience. Long-lasting Working Time Provide up to 6 hours of playtime with a full charge. The LED indicator displays the connection, charging and battery level status. In-line Remote Control Designed with multiple control buttons on the right side. Enable you to adjust the volume, control media playback, answer/reject/transfer/end calls easily.