HiFi Stereo Sound: In-ear wireless earbuds use 13 mm speakers and combine with a unique sound guide architecture for full low-frequency rebound and pure high-mid-frequency permeability. Whether you are indoors or outdoors, you can enjoy a music feast,Auto Quick Pairing: This ear buds adopts hall switch, after the first successful connection, you only need to open the charging case lid, the bluetooth earbuds will automatically power on and connect with your phone, with a range of up to 100 feet away,Dual LED Power Display: The bluetooth earbuds has a dual digital battery display case. Let you keep abreast of the usage of the earphones and charging case and charge them in time,Smart Touch Control: The touch control is on the side of the earbuds pole, which will reduce the probability of you touching the earphone by mistake. And easily control volume, up and down songs, pause/play, answer/reject calls, and call assistants,Comfortable to Wear: The curvature of the earbuds is consistent with the surface of the human ear, and they are equipped with S/M/L 3 size ear caps to ensure that they fit people's ear canals and will not cause discomfort when worn for a long time,50H Playback in Turn: A single earbud can be used for 5 hours on a single charge, and the charging box can provide an additional 4 times the earphone power. The wireless headphones can be used alternately to listen to music for a total of 50 hours,Bluetooth 5.3: The advanced Bluetooth 5.3 technology provides a faster, more stable connection for the headset, syncs audio and video without latency, and is broadly compatible with iOS/Android/Windows systems,IPX7 Waterproof: The surface of the earbuds wireless bluetooth has a nano-coating to prevent water and sweat from penetrating, you can listen to music while running, working, reading, sleeping, etc. (cannot be used while swimming)