- Independent AK4332 DAC chipset. - Premium QC5141 Bluetooth Chipset. - Three-Driver Hybrid Configuration. - 1 DD+2BA Drivers Per Side. - High-Quality DLC Diaphragm With PU Gasket. - IPX4 Water Resistance. - Four Physical Buttons. - Supports High-Resolution Bluetooth Transmission Protocols Such as LHDC, AptX Adaptive, etc. - LED Indicator Lights on Charging Case. - Cutting-Edge Technology. - Long Battery Life(7Hours with the Earbuds, Up to 21 Hours with the Charging Case). - Dual Microphone cVc Noise-Cancelling Microphone Technology.