







🎧 Elevate your audio game with Liberty 4 Pro — hear the future, now!
The Liberty 4 Pro by Anker redefines wireless earbuds with 7 sensors enabling 3× stronger noise cancellation, real-time adaptive noise reduction every 0.3 seconds, and AI-enhanced 9-mic call clarity. Experience studio-level Hi-Fi sound with advanced acoustic drivers and enjoy ultra-fast charging that delivers 4 hours of playtime in just 5 minutes. Perfect for professionals craving premium sound and seamless connectivity on the go.


| Control Method | Touch |
| Control Type | Touch Control |
| Carrying Case Width | 61.7 Millimeters |
| Carrying Case Length | 64.6 Millimeters |
| Carrying Case Weight | 51 Grams |
| Carrying Case Height | 29.6 Millimeters |
| Item Weight | 62 Grams |
| Carrying Case Battery Capacity | 580 Milliamp Hours |
| Carrying Case Battery Charging Time | 3 Hours |
| Carrying Case Battery Average Life | 40 Hours |
| Water Resistance Level | Waterproof |
| Carrying Case Material | Plastic |
| Is Electric | No |
| Antenna Location | Music, Calling |
| Compatible Devices | Cellphones, Tablets, Laptops, Desktops |
| Cable Features | Without Cable |
| Additional Features | Noise Cancellation, Fast Charging, Wireless Charging, Touch Control |
| Enclosure Material | Plastic |
| Headphone Folding Features | In Ear |
| Earpiece Shape | Rounded tip |
| Headphones Ear Placement | In Ear |
| Carrying Case Color | Glossy Black |
| Color | Glossy Black |
| Battery Average Life | 40 Hours |
| Battery Charge Time | 3 Hours |
| Wireless Technology | Bluetooth |
| Bluetooth Version | 5.3 |
| Bluetooth Range | 10 Meters |
| Connectivity Technology | Wireless |
| Audio Driver Size | 10.5 Millimeters |
| Frequency Response | 20 KHz |
| Sensitivity | 126 dB |
| Impedance | 8 Ohm |
| Noise Control | Active Noise Cancellation |
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