2024 Leading Bluetooth 5.3 and Auto Pairing: Adopting Bluetooth V5.3 and dual-channel transmission, wireless earbud support HSP HFP A2DP AVRCP, which offer you an unparalleled audio experience with faster transmission speed, stronger connection stability, and longer range of bluetooth. Taken from the charging case, wireless headphones will be paired with each other automatically, and just hit on bluetooth list J52 on your device to connect, avoiding complex operations and saving waiting time. Stereo Deep Bass and Clear Call: Wireless headphones adopt with DSR lossless HD rendering technology and equip with premium 13mm dynamic driver-the drive area is 4 times than the normal drive area, making the bass punchier and midrange full and textured, treble crystal crisp. Large chamber acoustic design well balances the internal and external air pressure to avoid sound loss, wireless earphones are combined ENC noise cancelling mic ensuring you can be heard clearly even in noisy environment. Real-Time Dual LED Displays and 42H Playback: Digital LED display is to show the power level for charging case and wireless earphones. When charging for the case, the LED light will start to flash from 1 to 100. When you put earbud wireless bluetooth into the case, bluetooth earphones will start to be charged. Headphones wireless bluetooth can last for 7h playtime from a single charge and 35 extra hours with charging case. Equipped with USB-C cable offers you more quick and stable charging. Ultralight and Comfort Fit: The pocket-sized charging case does not take up any space to carry, and you will not have any stress on wearing Sports earbud. Earbud wireless headphones are designed to fit the contours of the human ear with a curved structure that is same to the shape of the ear canal, making them comfortable to wear and not falling out when running, gym. Headphones bluetooth use IP7 nano-coating technology, which can protect internal components from liquids and ensure a longer life Touch Control, Stereo and Mono Mode: Features with touch control sensors, wireless bluetooth headphones allows you to conveniently power on/off, play/pause, skip songs, answer/hang up, adjust volume and access other functions at the touch of a button. Free your hands completely when youre busy doing exercise, driving or running. Besides, ear buds wireless bluetooth earbuds not only can be worked together for stereo music, but also can be worked independently. Design for business and commute.