FeaturesiOS / Android compatibleBattery life: up to 16 hoursMicrophone / remote / volume controlWater-resistantActive noise cancellationPersonalised sound on the go with the world\'s first in-ear headphones to automatically learn and adapt to your hearing with the Nura NuraLoop Wireless Bluetooth Noise-Cancelling Earphones. Choose the way you want to connect - aptX HD Bluetooth 5, wireless or wired music fidelity. The NuraLoop comes with 16+ hours of wireless listening, touch dial controls, social mode, active noise cancellation, immersive base, water resistance, highly sensitive microphone for enhanced voice call quality, supportive fit for maximum comfort and the Nura companion app.Cutting edge technology that pioneers personalised sound to enhance the everyday user experience, bringing forward depth and detail like never before.Hailed as an innovation in Bluetooth earphone design, the NuraLoop take\'s the Nuraphone\'s core technology placing it in a more compact form - resulting in uncompromised sound performance.The sound technology uses highly sensitive microphones and advanced signal processing to monitor otoacoustic emissions (OAEs) by detecting activity in the cochlea inside the ear to learn the frequencies that a listener may be more or less sensitive to.