Rock out to your favorite music with the TAH4205 On-Ear Wireless Headphones from Philips. A pair of bluetooth 5.0 headphones with powerful 32mm neodymium drivers for potent sound reproduction. 32mm drivers Closed-back on-ear. Compact folding Up to 29 hours of playing time.  Included: 1 Warranty Card(s) Features: Built-In Microphone, Volume Control, Cordless Battery Type: Lithium Ion Impedance: 32 Ohms Manufacturer Warranty: 1 Year Parts Limited Measurements: 7.63 Height/Inches, 6.5 Length/Inches, 1.6 Width/Inches Minimum Frequency Response: 20 Hertz Maximum Frequency Response: 20 Kilohertz Weight (lb.): 0.6 Lb Country of Origin: Imported