Types of product Bluetooth Headphones, Wireless Headphones, Headphones, Headphones Noise Cancelling Types closed, dynamic Type of application to the ear Over-Ear Function Transmission mode without cable, optional cable Suitable for mP3 player, smartphone Functions nursery, rotating pavilions Included microphone Auricolari compatible with Android, iOS Special manufacturer features Digital Sound Enhancement Engine (DSEE), Fast Pair, Swift Audio output mode stereo Sound function transparency Features Bluetooth Bluetooth version Bluetooth 5.2 Bluetooth profiles A2DP (Advanced Audio Distribution Profile), AVRCP (Audio Video Remote Control Profile), HFP (Hands Free Profile), HSP (Headset Profile) Bluetooth Codecs SBC, AAC Door 10 m Audio Impedance 31 Ohm Sensitivity 108 dB/mW Driver 30 mm Battery Operating time 50 h Operating time NC 32 h Autonomy in communication 40 h