Product Headphone Active noise canceling headphone WY-AC101 Features Active noise canceling technology headphone Compact, light, and portable device High fidelity sound recovery With Li-ion battery inside High capacity battery Easy and comfortable for using in any audio application General specification Model Number: AC101 Frequency Range: 20Hz ~ 20KHz Impedance: 32W Sensitivity: 115dB/mW S/N ratio: 110dB Weight: 138g Battery operating time: 20Hours Accessory: phone connector cable, USB charging cable Please write down your comment on this product, and click Add to Inquiry List for inquiry Add to Inquiry List Review Inquiry List Back