The Beats by Dr. Dre Studio3 Series Wireless Over-Ear Headphones. The Beats Skyline Collection - Shadow Gray version. Model: MXJ92LL/A. Features: - Pure Adaptive Noise Canceling (Pure ANC) actively blocks external noise - Real-time audio calibration preserves a premium listening experience - Up to 22 hours of battery life enables full-featured all-day wireless playback - Apple W1 chip for Class 1 Wireless Bluetooth connectivity and battery efficiency - With Fast Fuel, a 10-minute charge gives 3 hours of play when battery is low - Pure ANC-off for low power mode provides up to 40 hours of battery life - Take calls, control music, and activate Siri with multifunction on-ear controls - Soft over-ear cushions for extended comfort and added noise isolation