Superb noise cancellation - Active Noise Cancelling Technology suppress outside noise, preventing your music, podcasts and audiobooks from being ruined by the outside world, especially on planes, trains and city streets - You can focus on your what matters most. Incredible Sound Quality - Custom 40mm Large-aperture Drivers offer clear, natural, and balanced audio quality that’s decent for most music genres, a robust sound that perfectly balances clarity with just the right amount of bass. Bluetooth V5.4 - Bluetooth 5.4’s primary benefits are improved speed and greater range to make sure you're getting the most effective sound blasted into your ears. Upgraded Soft Ear Cushions - 90° Swiveling ear pads use hi-grade memory foam cushion for the ultimate in comfort and long life. When you’re ready to give them a rest simply fold them in the travel case, which due to the portable design. A built-in 800mAh battery and Fast Charge - Outstanding 50-hour battery life will last you multiple long days of audio playback. Up to 40-hours of playtime in Bluetooth ANC mode. Only take 15 minutes to rapidly charge and get 4 hours of playback. Specifications Product Name: A10 Battery Capacity: 800 mAh Input Power: 5 VDC, 560 mA Charging Time: 2 hours Using Time1: 40 hours (ANC + BT) Using Time 2: 50 hours (BT Music only) Using Time3: 62 hours (ANC only) Bluetooth Range: 10 m / 33 ft Noise Reduction Depth: -35 dB lmpedance: 32 Ω ± 15% Driver Diameter: 40 mm Frequency Response: 20 Hz - 40 kHz Sensitivity: -42 ± 3 dB Net Weight: 295 g What's in the Box? 1 x OneOdio A10 Headphones 1 x EVA Case 1 x 3.5mm Audio Cable 1 x Type-C Charging Cable 1 x User Guide