Anker Soundcore Liberty 4 NC | True-Wireless Noise Cancelling Earbuds, A3947H31 – Blue

11mm Dynamic big driver deliver crisp, detailed sound Reduce noise by up to 98.5% tested by SGS Adaptive ANC 2.0 analyze both the external environment and user's ear canal in real-time Hi-Res wireless audio and LDAC technology that transfers 3× more data 6 microphones with uplink noise reduction for clear call Ability to connect two devices to Liberty 4 NC simultaneously Charging time: 3 hours / 10 minutes for 4 hours Connection: Bluetooth 5.3 Bluetooth Range: 10m Dimension: 57.2 x 57.2 x 30.5mm IPX4 Water-Resistant