Stylish and comfortable, these adjustable Bluetooth headphones transport you to concerts and with on-ear controls and built in mic you can take calls from loved ones without missing a beat. Just use the micro-USB port to charge, pair your device, and experience wireless freedom up to 33 ft. away. Number of Batteries: 1 Number of Speakers: 1 Included: 1 Warranty Card(s), 1 Digital Audio Cable(s), 1 Usb Cable(s) Features: In-Line Volume Control, Adjustable Headband, Wireless, Built-In Microphone, Bluetooth Compatible Battery Type: Rechargeable Impedance: 4 Ohms Inputs/Outputs: 1 3.5mm Audio Input(s) Manufacturer Warranty: 90 Day Parts Limited Peak Power Handling: 10 Watts Power Source: Battery (included) Measurements: 2.8 Width/Inches, 7.68 Height/Inches, 6.8 Length/Inches Weight (lb.): 1.5 Lb Country of Origin: Imported