Donner Wireless Earbuds Noise Canceling Bluetooth 5.2 Compatible Instant Connection Bluetooth Earphones External Sound Input Touch Operation with 4 Microphones Clear Call 12mm Driver/Balanced Armature/Dedicated App Compatible/32 Hours Music Playback/Waterproof IPX4/Quick Charging Left and Right Separate Type Voice Assistant Siri Compatible Dobuds ONE Black Brand: Donner Color: Black Ear Placement: In-Ear Headphone Type: In-Ear Impedance: 28 ohms Noise Control: Active Noise Cancellation 【Rich and Delicate Sound Quality】Equipped with a 12mm high-quality dynamic driver and perfectly combined with a balanced armature driver, it effectively compensates for the lack of high-frequency bands by the dynamic speaker itself while maintaining the mid-low frequency performance by the balanced armature. The hybrid dual driver delivers a richer and more delicate sound, detailing every piece of music. Technical Conformity Mark Number: 219-229088 【ANC Noise Solution】The Active Noise Cancellation (ANC) function reduces noise by -30dB at 80Hz-2KHz, allowing you to immerse yourself in the world of music. The Donner app also offers custom 10-level noise reduction depth adjustment. You can also switch between normal mode or external sound input mode, which allows you to hear outside sounds, depending on your surroundings.