Noise Cancellation - Industry-leading noise cancelling Bluetooth earbuds with the new Integrated Processor V1. Sound Quality - Exceptional sound quality with new Integrated Processor V1 and supporting LDAC codec. Multi-point connection lets you connect two devices at once. Call Quality - Crystal-clear call quality, beamforming microphone and a bone-conduction sensor provide clear voice detection even in noisy environments. Smart Features - Speak-to-chat technology automatically reduces volume during conversations. Battery life - 24 hours long battery with Noise Cancelling. Frequency Response (Bluetooth Communication)-20Hz - 20,000Hz(44.1kHz sampling) / 20Hz - 40,000Hz(LDAC 96kHz sampling, 990kbps).