Power Display for Charging Case: The power level is displayed instantly, the progress bar is displayed when charging, and the time can be set, which is very practical and convenient NEW ENC: 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,switch music ,voice assisatant. Stereo sound,handsfree calling during sports anytime and anywhere. Ultra lightweight and compatible for small ear: The surface and Angle of earbuds in-ear part have been polished and refined repeatedly to achieve a balance between beauty and comfort and make it comfortable to wear. ONE STEP Auto Pairing. Picking up Earphones from charging case,they will power on and pair with each other automatically.Then active mobile phone bluetooth to connect. After the first successful connection,the sports earbuds will automatically connect to the last paired device, 6D surround sound, special speakers, so you can chat throughout the whole process without hindrance Pea-shaped headphones, more snug and ear, not easy to throw off, mini-compact button control, reduce mis-touch, single button play/pause, long press 2 seconds to adjust the upper and lower song tracks