Onlier 078 HKHONGDATECH Microphone Earphones Stereo Headphones and Noise Isolating Headset Applicable iPhone 7/7 Plus/8/8 Plus Support Music control and Calling: This earphone with built in remote control button and MIC allowing calling function , music and volume control. hand free design in movement, easy to control the music and answer the phone call. Premium Sound Quality : High quality stereo audio output comes with rich bass tones, crisp mids, balanced treble with HD clarity. Enjoy your favorite music or movie without bother by noisy environment. Ergonomic design: Extremely comfortable and fit securely with your ear, even wear earphone for long time, it's also keep comfortable with great sound quality of super bass, bring you the perfect audio enjoyment. Need Bluetooth Connectivity : Please note it's Bluetooth earphone, need connect Bluetooth to your phone at the first use. It will connect automatically on the next time in few seconds as long as your Bluetooth is open. Auto Charging Bluetooth: Earbuds can be recharged from the connector itself via the phone, so you do not have to worry about Bluetooth usage time.