Smart Control: Specific control function makes it more convenient, tap once to play/pause music and calls, double tap to forward/backward, hold to adjust the volume. You can easily control it without operating the phone. Pairing and Smart Control: Open the lid of charging case and wireless headphones will automatically connect to the last paired device. Bluetooth headphones with intelligent control button is multifunctional, such as play music, the call songs and activate voice assistant. NEW &HIFI: The microphones of earbuds reduce background noise,make phone calls from stable signal and low power consumption.Each sport earbud has buttons to control the function of and reject phone, volume adjustment,music ,voice assisatant. Stereo sound,handsfree calling during sports anytime and anywhere. Ergonomic Design and Easy To Carry: Bluetooth earphones are ergonomic ear shapes to ensure a comfortable fit. Charging case is small,can be easily stowed in your pocket. Accurate LED Display and Exquisite Appearance: Wireless Earbud use the unique LED display technology to accurately display the remaining power of charging case. The look is 100% glossy spray, creates a delicate and a exquisite appearance.