Smart noise cancellation: ANC and voice wake-up with battery life of 4.5/16 hours (ANC or voice wake-up: 5/18 hours; both features: 8/28 hours). Premium sound: Equipped with AKG dual speakers, featuring an 11mm woofer and 6.5mm tweeter in each earbud. Water-resistant: IPX7 rating protects against splashes, ideal for activities like dog washing or car cleaning, but not for submersion. Compatibility: Works with Android 7.0+, requires 1.5GB+ RAM, Bluetooth 5.0, touch controls, and offers 5-18 hours of playback. Supports wireless charging (charging cube not included). Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.