Upgraded second-generation QCC3040 chipset with BT5.2, APTX HD support, and 10 hours of battery life on a single charge. The world's first custom 3D printed TWS with the pinnacle of true wireless technology. Upgraded second-generation QCC3040 chipset with BT5.2, APTX HD support, and 10 hours of battery life on a single charge. The world's first custom 3D printed TWS with the pinnacle of true wireless technology..PZA MORE SPECS