Sonata Noise Cancelling TWS Earbuds have 2 noise cancelling modes: Transparency & Active. Features True Wireless Stereo connection with Auto-Pairing and Auto Power-On & dual microphones for hands free operation. Multi function button activates Siri (iOS devices) or Google Assist (Android devices) as single or a pair. Playing time: 4.5 hours on a single charge / 18 hours with charging case. Charging time: 1.5 hours for earbuds & 2 hours for case. Includes USB-C cable & 2 extra pair of ear tips.