Luxurious and comfortable over ear headphones, with noise cancelling technology, which reduces outside noise and interference. Supports playback from smartphones, tablets or most other Bluetooth compatible audio devices.16.3 ( l ) x 7.3 ( w ) x 18.5 ( h ) cmAluminium, ABS & PUCase: 18.5 ( l ) x 14 ( w ) x 8 ( h ) cmEVABluetooth version 5.010m visible distance • Built-in microphone supports call pick-up500mAh with lithium battery • Charge time: 2 hoursPlayback time: 12 hours for ANC mode ; 16 hours for Bluetooth only modeCancelling DB: 20db • Noise cancellation frequency range: 50 - 1200HzSignal Noise Ratio ( SNR ) : > 90dBSensitivity: 115dB
