TWS & BT 5.0.Adopting the most advanced BT 5.0 technology,the earbuds provide one-step pairing,faster transmission speed,more stable connection and lower power consumption. Premium Stereo Sound Quality.The product offers a stereo and powerful deep bass with upgrade core configuration.Intelligent noise reduction technology reduces ambient noise and provides clear voice,which allows you to enjoy immersive sound even in the noisy environment. Large Capacity Charging Box.Equipped with built-in 50mAh battery,it provides up to 8-hour playtime and 60-hour standby time after a single full charge. Comfortable Wear.Made of skin-friendly material with ergonomic design,the earphones fit well the ear canal and reduce ears pressure,ensuring in-ear wear comfort. Smart One-Touch & HD Call.Summon assistant with one-touch and both volume and music control can be done easily.You can also enjoy HD calls with built-in microphone.