The Niceboy HIVE 3 Aura ANC headphones with their Active Noise Cancelling technology dampen outside noise, meaning you can enjoy your music to the fullest.  Active Noise Cancelling technology for dampening outside sounds Quality audio with 40 mm converters and MaxxBass technology 50 hours of playback time AAC and SBC codecs Wireless transmission with Bluetooth 5.0 USB-C charging Option to playback media via audio cable Integrated microphone for hands-free telephone calls Voice assistant support Airplane adapter Ergonomic construction Comfortable headphones with pleasant feel Practical travelling case included. Technical parameters: Bluetooth version:5.0 Headphone type:headset Construction:closed Supported Bluetooth profiles:A2DP, AVRCP, HFP Converter size:40 mm Supported codecs:AAC, SBC Frequency:20Hz - 20kHz Sensitivity:97+/-3dB Impedance:32Ω Playback time:up to 50 hours (at 50% volume) Playback time with ANC:up to 24 hours (at 50% volume) Range:10 m Time to charge:2-3 hours Microphone:yes Connection type:3.5 mm jack, Bluetooth Removable cable:yes Product weight:264 g Product dimensions:202*165*91mm   Package contentsNiceboy HIVE 3 Aura ANC headphonesTravel caseUSB-C charging cableAUX cable jack (3.5 mm)Airplane adapterInstructions for Use