1, 【Active Noise Cancelling (ANC) ,Transparent Mode】: Professional advanced noise cancellation silences up to 95% of machine noise. "Transparent Mode" This feature lets in ambient noise, so you can easily hear announcements on a bus or subway, or listen to what's happening around you without removing the active noise cancelling headphones. The sensitive buttons control makes it easy to switch between this two modes.2,【Up to 70 hours of playtime, Fast charging】: Enjoy up to 45 hours of music in noise cancelling mode, or extend the playtime to 70 hours in standard mode. A quick 5-minute charge gives you 4 hours of listening. You can charge it through the Type-C port, or use a 3.5mm audio cable for a wired connection.Note: If you are not using the over-ear wireless headphones in Bluetooth mode, please turn off ANC to conserve power.3,【Premium sound quality, Deep Bass】: The 40mm drivers reproduce a full range of frequencies, providing deep, powerful, and immersive sound at any volume. BERIBES headphones wireless buetooth have always been committed to providing our customers with better sound quality as the focal point of our engineering. Our goal is to provide our customers with the best possible sound quality.4,【Unique foldable, Lightweight, Ergonomic design】: The professional-grade protein ear-pads, 90° inward rotation, and 120°inward folding ear-cups are lightweight (only 0.8 lb) for maximum comfort during long periods of use. The bluetooth headphones with microphone fold compactly for easy storage when traveling. The ergonomic structure and multi-levelEnjoy Your Favorite Music Like Never Before, With These Exquisite Noise Cancelling Headphones Brought To You By BERIBES !The BERIBES ANC Bluetooth headphones will give you a deep, powerful, and immersive sound at any volume, make your overall listening experience just that much better. Our goal has always been committed to providing our customers with better sound quality as the focal point of our engineering.Are you looking for a high-end quality pair of headphones over ear to enjoy your music, movies, and games? Have you tried similar products in the past but were let down by how flimsy they were or by how quickly they stopped working? Would you opt for an earphone set that is durable, heavy duty, and doesn’t cost you a month’s salary?If so, then this is your lucky day, because BERIBES has just the thing you’re looking for!Included Components：BERIBES ANC/Transparent Mode Headphones *1USB Type-C Charging Cable *13.5 mm AUX Cable *1User Manual *1BERIBES Upgraded WH305B Hybrid Active Noise Cancelling HeadphonesActive Noise Cancelling: BERIBES Noise cancelling headphones with 95% ambient noise reduction for a peaceful listening experience in crowded environments.Transparent Mode: This allows you to hear and interact with ambient noise while wearing the headphones. This feature is great for hearing announcements on trains or subways, or simply staying aware of your surroundings without removing the headphones. The sensitive touch control makes it easy to switch between this mode and our ANC feature.Wirless Bluetooth 5.3/Wired 3.5MM Audio CableUSB Type-C Quick Charge/Long Battery LifeAdjustable headband/Comfortable EarcupsExceptional Music Clarity/Built-in microphoneNotice: Long press for volume up and down, click for next or previous trackUniversal CompatibilityBERIBES Noise Cancelling Bluetooth Headphones are compatible with Bluetooth-enabled devices like Bluetooth phones, tablets, laptop computers,MP3/4 and more.NOTE: You need a separate Bluetooth Transmitter when connecting the wirless headphones to the devices without built-in Bluetooth.Multi-Point Connection (Max: Two Devices)1. Make sure the over-ear headphones have been connected to the first Bluetooth device successfully. 2. Turn off the first device's Bluetooth. 3. Turn on the second device's Bluetooth, find the "WH305B” and select it to pair with your device. 4. Turn on the first device's Bluetooth and select "WH305B" to pair it again. now your headset is connected to the 2 devices at the same time.(If you do not need to use at the same time, you can turn off one of the Bluetooth connection)ANC/Transparency ModeANC MODE Whether you’re commuting on the subway, or escaping the distractions of bus or train, The active noise canceling effectively block out background noise up to 28dB, so all you hear is your music.TRANSPARENCY MODE It allows you to hear the live sounds around you - the voices of your colleagues, subway announcements and street traffic - while you still enjoy the music at the same time.Space-saving design for Easy to Carry in a BagThanks to their lightweight and collapsible design, BERIBES noise cancelling headphones weigh only 0.8 lbs and take little storage space. the space-saving headset can be easily folded up and stored in bags or suitcases. Give yourself a good mood during the trip.Crystal Clear CallsA high-quality Microphone built-in enables you to one-click to take a call, which ensures you have clear calls hands-free anytime and anywhere, and it is much more convenient to free yourself from wires, and Perfect for when you’re working from home, taking online classes or traveling .Wireless and wired modeWireless mode set you free from tangled cables. offering the fastest Audio transmission with excellent stability. If it runs out of power, Included audio cable helps you continue to enjoy music without electricity, with unlimited access to immersive sound at any time.How to connect noise canceling headphones wirelessly by Bluetooth?How to connect headphones wirelessly by Bluetooth?< First connection pairing > :Long press the "O" key for 4 seconds, hear "power on", until the red and blue lights flash alternately, enter the Bluetooth pairing mode, hear "Pairing", then open the Bluetooth setting of the device you want to use, find the Bluetooth pairing named "WH305B" and click "Connect";< If reconnected to use > :Long press the "O" key for 2 seconds, hear "power on", the blue light flashes, enter the Bluetooth automatic connection mode, hear "connected", you can connect the Bluetooth device used before;Or when there is a red and blue light flashing, click the "O" button again, you can also automatically connect back to the previously connected Bluetooth device (hear "connected").(Note: If Bluetooth is not found in the above operation, the headset is off, long press the MFB (O) key for 10S, hear 'dududu', the red and blue light flashes three times at the same time, the headset will automatically enter the pairing state , and then turn on the Bluetooth device to search for pairing and connection again.)