What's in the box:

IN THE BOX Earbuds, Charging Case, Ear tips, USB-C Charging Cable, Quick Start Guide, Safety Information and Warranty Card

Product details of HUAWEI FreeBuds 4 Wireless Headphone - Air-Like Comfort | High Resolution Sound | Open-fit Active Noise Cancellation | Crystal Clear Audio

• Active Noise Cancellation to actively detect and reduce ambient noise.1 You can always be immersed in the music you love anytime, anywhere.
• Dual-mic system with a slit-duct design* for a clear call. 2
• 10 mm dynamic coil driver and sensitive polymer composite diaphragm for clear vocals and punchy bass.
• 10 hours of listening pleasure with 1 charge; 22 hours of continuous playback together with charging case.3
• A quick 10-min charge for 4 hours of musical enjoyment. 3
• Comes with white and black. The streamlined curves and high-polish finish of the earbuds give you a modern, standout look.
• Low latency4 to give you the competitive edge when playing your favorite game.
• Pair instantly with the pop-up window5 when the charging case is open, and you are good to go.
• Switch to Awareness Mode by pressing the earbud to communicate easily while hearing your earbuds.
• Intuitive touch controls.
• Easy to pair with Android or iOS devices.
• Notes:
• When ANC is turned on, you may be less aware of the dangers around you, please make sure you are in a safe area.
• The main microphone adopts the classic staggered slit-duct design, and the sub microphone adopts the original slit-duct design, which effectively reduces wind noise caused by air friction between the two microphone pickup ports.
• The data comes from Huawei labs with conditions by default: volume at 50%, ANC turned off, and AAC mode enabled. The actual condition may vary due to the volume, audio source, and environment and user habits.
• The low latency function requires smartphones and tablets running EMUI 11.
• Pop-up window only adapts to Huawei smartphones with EMUI10 or above.