Anker SoundCore Liberty Air 4 NC

• Type: True wireless earbuds with active noise cancellation (ANC)
• Driver type: Dynamic
• Frequency response: 20Hz-20kHz
• Impedance: 16Ω
• Sensitivity: 100dB
• Bluetooth version: 5.2
• Codecs: SBC, AAC, LDAC
• Battery life: 7 hours (earbuds with ANC on), 9 hours (earbuds with ANC off), up to 24 hours (with charging case)
• Charging time: 1.5 hours
• Weight: 5.7g (per earbud)

Additional features:

• Adaptive ANC 2.0: Automatically adjusts the level of noise cancellation based on the surrounding environment.
• Adjustable ambience: Allows you to hear your surroundings without having to remove the earbuds.
• 6-mic clear calls: Ensures clear and crisp calls, even in noisy environments.
• IPX4 water-resistant: Protects the earbuds from sweat and rain.
• Touch controls: Allows you to control playback, volume, and call answering with simple touch gestures.