Has been used 3-4 times and for the remaining time has been sitting on a shelf untouched. Trying to find it a new home! Up to 22 hours of battery life Apple W1 chip for Class 1 Wireless Bluetooth connectivity Pure Active Noise Cancelling (Pure ANC) actively blocks external noise Pure ANC-off for low-power mode provides up to 40 hours of battery life Fast Fuel, a 10-minute charge gives 3 hours of play when battery is low