... 240 hoursMicrophone sensitivity: -40dbTHD ≤ 1%Charging input: DC 5V, 140mAFrequency range: 20-20,000 HzColor: Classic Red and Black are available ... charging cableStereo cable with 3.5mm plugDrawstring carry pouchInstruction manualApplication range: Iphone, Ipad, Ipod, mobile phone, Tablets, Computers, MP3 device,etc ...