Item Type: Wireless Headphones Control Button: Yes Active Noise-Cancellation: Yes Wireless Type: Bluetooth Bluetooth Version: 4.0 Communication: Wireless+Wired Volume Control: Yes Sensitivity: 98±3 db Support Memory Card: Yes Resistance: 32 Ω Waterproof: Yes Frequency Response Range: 20-20000 Hz Battery Capacity: 800 mAh Charging Time: 1-2 hours Play Time: 40 hours Standby Time: 120 hours Weight: 385 g / 0.85 lbs Color: Black, White, Gold Package Includes: 1 x Wireless Headphones 1 x USB Cable 1 x User's Manual