Soundpeats Air3-Deluxe Bluetooth 5.2 TWS Wireless In-Ear Headphones are equipped with Qualcomm QCC3040 with Bluetooth V5.2 to improve Bluetooth transmission speed and connection stability. It has ultra-low power consumption, excellent Bluetooth connectivity and advanced processing technologies. The earphones offer approximately 5 hours of use when fully charged, and up to 22 hours with the upgraded charging case to meet daily-weekly use. Within about 10 meters, they can continue to provide fast and stable music streaming when there is interference from multiple devices. The box design is more classic and stylish than the Soundpeats Air3 model, also the usage time is longer.