Soundcore by Anker Liberty 4 NC Wireless Noise Cancelling Earbuds, 98.5% Noise Reduction, Adaptive Noise Cancelling to Ears and Environment, Hi-Res Sound, 50H Battery, Wireless Charging (Renewed)
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Product details
| Management number | 209166441 | Release Date | 2026/03/29 | List Price | US$21.20 | Model Number | 209166441 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- Reduce Noise By Up to 98.5%: Liberty 4 NC noise cancelling earbuds have a high sensitivity in-ear sound sensor, an oversized driver, and an innovative noise isolation chamber that cancels up to 98.5% of noise for peaceful travel.
- Noise Cancelling Adapts to Ears and Environments: Adaptive ANC 2.0 makes real-time calculations and adjusts to your ear canals and external environment for maximum quiet amongst the hustle and bustle.
- Crisp Sound with 3× More Detail: 11mm custom-tuned drivers deliver consistently crisp and detailed sound. Experience Hi-Res wireless audio and LDAC technology that transfers 3× more data than regular Bluetooth—bringing wireless music to life.
- Sculpt Your Sound Profile: Not everyone listens the same, so use HearID 2.0 to find the perfect sound profile for you. If you want to mix it up, the EQ is fully adjustable or choose from 22 presets to match your audio.
- 10H/50H Worry-Free Battery: A single charge is enough to enjoy uninterrupted entertainment for a trip across the US. Pack Liberty 4 NC for your next adventure and listen to 1,000 tracks or watch 30 movies back-to-back with no battery anxiety.
- Designed for Simple Connections: Liberty 4 NC enables quick, effortless Bluetooth pairing with Android devices, auto-play and pause on wear, and multi-point connection with Bluetooth 5.3.
- IPX4 Water-Resistant: Don't let a sudden downpour or an accidental spill ruin your commute. Liberty 4 NC wireless noise cancelling earbuds come with IPX4 water-resistance to give you peace of mind during your travels.
- 6-Mic AI Clear Calls: Don't be that person who shouts over the phone. 6 beamforming mics and an AI algorithm amplify your voice while reducing background noise, so you can talk on the phone without the whole car listening.
| UPC | 194644150860 |
|---|---|
| Color | Velvet Black |
| Theme | Audio Technology |
| Impedance | 10 Ohms |
| Brand Name | Soundcore |
| Model Name | Liberty 4 |
| Style Name | In Ear |
| Unit Count | 1 Count |
| Item Weight | 19 Grams |
| Sensitivity | 11 Millimeters |
| Control Type | Media Control |
| Manufacturer | Anker |
| Model Number | A3947 |
| BuiltIn Media | Blu-ray |
| Noise Control | Adaptive Noise Cancellation |
| Series Number | 4 |
| Cable Features | Without Cable |
| Control Method | Touch |
| Earpiece Shape | rounded_tip |
| Headphone Jack | None (No Headphones Jack) |
| Is Autographed | No |
| Bluetooth Range | 10 Meters |
| Frequency Range | 20 Hz - 20,000 Hz |
| Number of Items | 1 |
| Antenna Location | Music, Calling, Travel |
| Audio Driver Size | 11 Millimeters |
| Audio Driver Type | Dynamic Driver |
| Bluetooth Version | 5.3 |
| Compatible Devices | Android Devices with Bluetooth 5.3, Wireless Charging Devices |
| Additional Features | Fast Charging, Multipoint Pairing, Noise Cancellation, Wireless Charging |
| Battery Charge Time | 50 Hours |
| Carrying Case Color | Velvet Black |
| Wireless Technology | Bluetooth |
| Battery Average Life | 50 Hours |
| Warranty Description | 90 days limited warranty |
| Age Range Description | Audlt,Kid |
| Customer Package Type | Standard Headphones Packaging |
| Carrying Case Material | durable and water-resistant material |
| Water Resistance Level | Water Resistant |
| Connectivity Technology | Wireless |
| Headphones Ear Placement | In Ear |
| Specific Uses For Product | Mobile Use, Audio Listening |
| Headphone Folding Features | In Ear |
| External Testing Certification | / |
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