[𝗛𝗶𝗴𝗵-𝗿𝗲𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻 𝗺𝘂𝘀𝗶𝗰: YMOO Y7 Noise Cancelling Headphones has a 40mm dynamic speaker high-end bio-diaphragm and master tuning. In terms of sound performance the bass is powerful the mid-frequency is soft and the treble is beautiful. The highly flexible silk diaphragm reproduces powerful lows and clear highs up to 40kHz. 𝗔𝗡𝗖 𝘀𝗶𝗻𝗴𝗹𝗲-𝗳𝗲𝗲𝗱 𝗮𝗰𝘁𝗶𝘃𝗲 𝗻𝗼𝗶𝘀𝗲 𝗿𝗲𝗱𝘂𝗰𝘁𝗶𝗼𝗻: Our product has built-in 3 ANC microphones and fine-tuned digital active noise reduction algorithm. Therefore when you turn on the ANC noise reduction mode it can detect and cancel a wide range of low-frequency and mid-frequency noises such as the noise of cars and aircraft engines. 𝗕𝗹𝘂𝗲𝘁𝗼𝗼𝘁𝗵 𝟱.𝟮 𝘄𝗶𝗿𝗲𝗹𝗲𝘀𝘀 𝗵𝗲𝗮𝗱𝘀𝗲𝘁: YMOO Y7 wireless headset uses the most advanced Bluetooth 5.2 technology which can provide a stable connection up to 50Ft. You put your mobile phone on the first floor and go up to the second floor with headphones on it can still provide stable and clear sound without the sound of current. "𝟴𝟬 𝗛𝗼𝘂𝗿𝘀 𝗣𝗹𝗮𝘆𝘁𝗶𝗺𝗲: YMOO Y7 Over Ear Headphones has a built-in 600mAh battery which can play music for up to 50 hours in noise canceling mode. Standard mode extends playtime to 80 hours. Charging once you dont need to worry about power problems for a week." 𝗪𝗶𝗿𝗲𝗱 𝗮𝗻𝗱 𝗪𝗶𝗿𝗲𝗹𝗲𝘀𝘀 𝗛𝗲𝗮𝗱𝗽𝗵𝗼𝗻𝗲𝘀: It is not only a wireless Bluetooth headset but also can be used as a wired Studio Monitor headset through our included 3.5m to 3.5m audio cable. It is very convenient to use as a computer headset at home or on a business trip. We also included an airplane adapter which allows you to connect the audio of the airplane so that you can accompany your airplane journey with music. 𝗣𝗿𝗲𝘀𝘀𝘂𝗿𝗲-𝗙𝗿𝗲𝗲 𝗖𝗼𝗺𝗳𝗼𝗿𝘁: It comes with ultra-soft protein leather earcups and memory foam padding which is pain-free and clip-free for long-term wear. It has a telescopic rod adjustment and a foldable design when folded it is only the size of a palm very convenient to carry.]