High-quality wireless earphones with Bluetooth 5.4 and ANC function. Brand: HAC2 Market Color: Black Wearing style: In-ear Form factor: In-ear Noise control: Active Noise Cancellation Model name: ANC-enabled wireless earphones with display A hot new product. These are fully wireless stereo earphones with a display that supports ANC via the touch screen on the case. Bluetooth 5.4 compatible. Various functions can be operated directly on the display. 12 types of control panels are available. Basic operations on the earphones and smartphone, as well as convenient functions, are included. Operation 1: Play/Pause/Track selection. Operation 2: Noise reduction (equalizer function). Operation 3: Adjust ambient sound (ambient sound adjustment), pick up surrounding sounds. Operation 4: Spatial audio adjustment. Operation 5: Volume adjustment. Operation 6: Screen brightness (LED brightness adjustment possible). Operation 7: Find (earphones). Operation 8: Camera (with shutter function). Operation 9: Lock screen wallpaper selection. Operation 10: Countdown timer (alarm timer). Operation 11: Light (LED light function). Operation 12: Language settings. You can choose from 6 types of wallpapers: 5 picture frames and 1 moving frame. Bluetooth is the latest version 5.4. Connects smartphones, earphones, and the earphone case smoothly and quickly. Stable communication, comfortable and high-quality sound. Three modes to control ambient sound: Active Noise Cancellation: Reduces surrounding noise and ambient noise so you can hear even when wearing the earphones. When you want to collect music or audio. Transparent mode: Makes it easier to hear the surrounding sounds while listening to music. It is convenient to hear outside sounds in public places such as trains and buildings, so it is useful when you want to pay attention to the surrounding sounds. Continuous playback: Approximately 4-5 hours. Continuous talk: 3-4 hours. Charging time is approximately 70 minutes for the earphone unit and approximately 80 minutes for the charging case. Thank you for viewing.