Experience the simplicity of a true wireless earbud that powers your day. Adaptive ANC keeps you focused while Poly legendary audio makes your music and calls sound great. And personalized all-day comfort keeps you feeling good. Never miss a beat. High-powered speakers with Adaptive Active Noise Canceling (ANC) reduce distractions around you so you can enjoy rich, immersive audio. Share your ideas clearly with a 2-microphone beam forming array plus a 3rd mic that activates in windy conditions. And with AI noise reduction the far end hears more you and less background noise. Adaptive Active Noise Canceling (ANC) automatically tunes out the right amount of unwanted noise in your surroundings so you can move around freely when listening to music or making calls. Each earbud has 3 noise-canceling mics that join forces with an AI machine-learning algorithm that intelligently recognizes and reduces background noise to enhance call clarity. The sleek charge case supports Qi wireless charging and has enough juice to extend your listening time up to 28 hours. Just 10 minutes of charging gives you an extra 2 hours of music. Four ear tip sizes and the Poly Lens mobile app to personalize your t for comfortable all-day listening. Specifications: Battery life: Up to 12 hours, Battery recharge time: 2 hours (earbuds); 3 hours (case); Supports battery fast charge: 10 minutes charge time delivering 2 hours listen time (earbuds). Compatible Operating Systems: Windows 11; Windows 10; macOS; Android; iOS, Connection type: Wireless: Bluetooth, Connects to: PC; Mobile, Impedance: 16 ohms, Microphone bandwidth: 100 Hz to 7.8 kHz, Microphone type: Noise cancelling, Nominal sound pressure level: 99 dB SPL (-15 dBV 1 kHz), Sensitivity (microphone): -20 dBV/Pa, Sensitivity (speaker): 103 dB SPL (-15 dBV 1 kHz, maximum volume), Speaker bandwidth: 200 Hz to 6.8 kHZ (speech mode); 20 Hz to 20 kHZ (media mode), Speaker size: 10 mm.