Soundcore Liberty 4 NC Black A3947N11 1 piece

Catalog number: A3947N11 Features: ● Ultra-high performance noise canceling recognized by the world's top certification agency SGS ● High sensitivity sensor, large diameter driver, and chamber with improved sound insulation have significantly improved basic performance. It is now possible to effectively cancel out a wider variety of everyday noise. ● New technology Ultra Noise Canceling 3.0 ● Not only do the earphones detect and eliminate external environment and noise, but they also instantly measure the shape of the ear and eliminate noise that has been missed until now. Provides personalized noise canceling for each individual. ● Ultra-long playback time of up to 50 hours ● Music can be played for up to 10 hours with the earphones alone, and up to 50 hours with the charging case. In addition, music can be played for up to about 4 hours in 10 minutes. Specifications: Size: Approx. 5.7 x 5.7 x 3.0cm Weight: Approx. 60g (including charging case) / Approx. 5g (earphone unit, one ear) Waterproof standard: IPX4 Bluetooth standard: Bluetooth 5.3 Supported codecs: SBC / AAC / LDAC Playback time Normal mode: Up to 10 hours (earphone unit only) / Up to 50 hours (when using charging case) Noise canceling mode: Up to 8 hours (earphone unit only) / Up to 40 hours (when using charging case) When using LDAC: Up to 6 hours (earphone unit only) / Up to 30 hours (when using charging case) Charging time: Approx. 1 hour (earphone) / Approx. 3 hours (when using charging case * USB-C cable) / Approx. 3.5 hours (when using charging case * wireless charging) Charging terminal: USB Type-C / wireless charging