Step into a new era of sound with the Nova Tune ANC + ENC LED headphones, designed for those who demand both performance and style. With Active Noise Cancellation (ANC) to block out distractions and Environmental Noise Cancellation (ENC) for crystal clear calls, Nova Tune ensures an uninterrupted listening experience. Powerful. Elegant. Boundless. Nova Tune keeps you connected to the rhythm of life. Extended battery life: 20 hours playtime (ANC OFF), 15 hours playtime (ANC ON). App available: App Store/Google Play. Bluetooth V5.4: Secure and stable wireless connection. ENC+ANC: Uses microphones to capture and neutralize unwanted sounds, an ANC chipset to invert sound waves, and a headphone speaker to reduce external noise. ENC enhances the user's voice and minimizes external noise for clear communication. Smart Touch Controls: - Answer - End Call - Pause and Play Entertainment - Volume Control Battery Indicator: A digital display shows the remaining battery life in the case. Specifications: Color: Black Bluetooth version: 5.4 Headphone battery: 35mAh Charging case Battery: 300mAh Input (station): DC5V-400mA Charging time (earbuds): 0.8h Charging time (station): 1.5h Music play time: 5H ANC off / 4H ANC on Up to: 20H ANC off / 15H ANC on Noise reduction depth: -28dB