Discover your silence. Brookstone Silent Studio True Wireless Earbuds offer intuitive noise isolation and 25 hours of total playtime. Experience ergonomic comfort and crystal-clear audio wherever life takes you. Innovation in every note. Number of Speakers: 2Features: True WirelessBattery Type: Lithium IonManufacturer Warranty: 1 Year LimitedPower Source: Battery (included)Measurements: 5.2 Length/InchesWeight (lb.): 1 LbBase Material: 100% PlasticCare: Wipe CleanMaterial: PlasticCountry of Origin: Imported