Model: IA-F4Color: BlackBluetooth: V5.2Form Factor: In-EarCharging Time: About 1.5 hrsContinuously Use: 8 HrsPlaytime: 100 HrsCable Feature: Without CableWater Resistant: IPX5Built-in Microphone: YesLED Power Display: YesConnectivity Technology: WirelessItem Weight: 7.4 ounces Package Dimensions: 4.69 x 4.17 x 1.85 inches