Get inspired with Solo Pro wireless headphones. To deliver sound how you want it, Solo Pro features two listening modes: Active Noise Cancelling (ANC) and Transparency. Beats' Pure ANC gives you the space to create with fully immersive sound, while Transparency helps you stay aware of your surroundings. Every detail of Solo Pro has been carefully considered, right down to the intuitive way the headphones turn on and off via folding. The ergonomic design delivers exceptional comfort for extended wear and sleek style. And with up to 22 hours of battery life, you can keep the music going no matter where your day takes you. Features & Benefits: Active Noise Cancelling (ANC) blocks external noise Transparency mode helps you stay aware of your surroundings while listening Advanced acoustic system delivers powerful sound with balanced tonality Up to 22 hours of listening time (up to 40 hours with ANC and Transparency mode turned off)* Fast Fuel provides 3 hours of playback from a 10-minute charge when battery is low* Auto On/Off when you unfold and fold your headphones Ergonomically designed for optimum comfort and extended wear Seamlessly integrated on-ear controls for music, phone calls and voice capability Enhanced phone call performance and call handling Class 1 Bluetooth® for extended range and fewer dropouts Testing conducted by Apple in August 2019 using preproduction Solo Pro units and software paired with iPhone XS units and prerelease software. The playlist consisted of continuous pink noise at 80dB. 10-Minute charge testing conducted with drained Solo Pro that were charged for 10 minutes, then audio playback was started until Solo Pro stopped playback. Battery life depends on device settings, environment, usage, and many other factors.