Wireless receiver for earbuds The new generation of Qualcomm QCC3046 chip, with a smaller package size than QCC3040, has the advantages of high-speed transmission, low power consumption, and stable signal. KZ AZ15 has a new upgrade Qualcomm chip, supporting aptX, AAC, and SBC mode transmission, enhancing the transmission rate and connection speed. The new chip brings a better listening experience. Standard Music / Game / Full power modes. Three-mode sound quality and sound effects are more impressive. Click the right KZ AZ15 earbud to switch between Game/Standard Music modes. Playing games more smoothly and listening to music with better sound quality. The standard 2Pin gold-plated pin design can be adapted to most earphones with interfaces on the market, and wired earphones into wireless earphones in seconds, enjoying the fun of wireless upgrades.