like New Anker Soundcore Liberty 4 NC are budget-friendly true-wireless noise- cancelling earbuds they are widely praised for offering high-end features at a fraction of the cost of flagship alternatives Active Noise Cancellation: Uses an in-ear sound sensor and adaptive ANC 2.0 to reduce external noise by up to 98.5%. Audio Quality: Equipped with 11mm custom-tuned drivers supporting Hi-Res wireless audio and LDAC technology. Battery Life: Delivers up to 10 hours of continuous playback on a single charge, extending to 50 hours total with the charging case. Connectivity: Features Bluetooth 5.3 with multi-point connection capabilities to pair with two devices simultaneously. Connectivity: Features Bluetooth 5.3 with multi-point connection capabilities to pair with two devices simultaneously. Durability: Rated IPX4 water- resistant to withstand sweat, light rain, and accidental splashes. Call Performance: Utilizes 6 microphones backed by an Al algorithm to isolate your voice from background interference