The Puro Pro is an over-the-ear design, which can be connected to audio sources via Bluetooth 5.0 pairingor a simple headphone cord. It offers just about any feature you might dream up for a pair of headphones: safety volume limiting (configurable for either 85dBA or 95dBA), 30+ hour battery life, content control via buttons on the left can, active noise cancellation, and even an inline mic for phone calls.