ANKER Soundcore Liberty 4 Personalized Dynamic Wireless TWS In-Ear Bluetooth Earphones(Black)

1. Compatible with: SBC/AAC/LDAC
2. Bluetooth: 5.3
3. Waterproof standard: IPX4
4. Normal mode: play earphone about 9 hours / charging case about 28 hours
5. Noise-canceling mode: play earphones about 7 hours / charging case about 24 hours
6. LDAC: about 5.5 hours for playing earphone/about 16.5 hours for charging case
7. Charging time: about 1 hour for earphone/about 2 hours for charging case
8. Weight: about 5.8g for single earphone, about 55g with charging case
9. Charging: Type-C / wireless charging

Features:
1. 360-degree acoustic experience
2. 28 hours long battery life, support short-term charging, charging 15 minutes to play 3 hours
3. Comfortable earbuds, fit without pain
4. Compatible with wireless charging
5. Powerful function, you can adjust the sound quality and mode settings
6. Can connect two devices at the same time, no need to switch Bluetooth connection every time
7. Equipped with health monitoring function, heart rate monitoring, stress check, posture reminder exercise function and so on, you can check every data through the Soundcore app to support your daily activities.
8. Supports high-resolution playback for faithful reproduction of the original sound.
9. Super noise reduction 2.0 automatically adjusts to the scene
10. Measures the audibility of sound in specific frequency bands and automatically adjusts the sound quality to best suit your needs
11. Compact and minimalist design, lightweight and portable