Powerbeats - High-Performance Wireless Earphones - BeatsExplore further
2021-9-1 · 1 Testing conducted by Apple in November 2019 using preproduction Powerbeats and software paired with iPhone XS units and prerelease software. The playlist consisted of continuous pink noise at 80dB. 5-Minute charge testing conducted with drained Powerbeats that were charged for 5 minutes, then audio playback was started until Powerbeats stopped playback.
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