Number of Batteries: 1 Included: 1 3.5mm Audio Cable(s), 1 Usb Cable(s) Features: Rechargeable, Built-In Microphone, Volume Control, Wireless, In-Line Volume Control, Bluetooth Compatible Battery Type: Lithium Ion Impedance: 32 Ohms Inputs/Outputs: 1 3.5mm Audio Input(s) Manufacturer Warranty: 90 Day Parts Limited Power Source: Battery (included) Measurements: 6.9 Length/Inches, 7.48 Height/Inches, 2.95 Width/Inches Minimum Frequency Response: 20 Hertz Maximum Frequency Response: 20 Kilohertz Weight (lb.): 0.5 Lb Country of Origin: Imported