orange/blue (optional) headphone size: approx. 20 * 17.5 * 9.5cm / 7.87 * 6.88 * 3.74in headphone weight: 379g / 13.4oz package size: 21 * 19.5 * 10.5cm / 8.26 * 7.67 * 4.13in package weight: 590g / 1.30lbs package content: 1 * each g2000 headphone faq q1: no sound after connecting the headphone? 1)check whether the volume of the audio source device (such as pc, mobile phone or mp3) and the headphone are turned on. 2)check whether the audio interface of the player is properly functioning. this headphone only supports 3.5mm audio interface, please try other suitable audio players (such as mobile phone). 3)if connect with computer, please check if your computer is set to forbid audio output and check whether you inserted headphone jack and microphone interface inversely. q2: it doesn?t work after connecting microphone? 1)there?s a microphone mark printed on microphone plug, please make sure you choose a correct plug. then check whether the microphone jack of computer is properly functioning. try another microphone jack or computer and check again. 2)find out whether it doesn?t work only in some or in universal chatting software. if it doesn?t work only in the chatting video software, such as qq, please sets microphone as voice input device. 3)make sure whether you choose a wrong audio setting or has disabled microphone usage, please right-click the trumpet icon on the bottom right corner of the screen and choose ?record device?; right-click the blank area and choose ?display disabled devices?. if microphone is discontinued, right-click [microphone] and choose [enabled]. q3: it is not compatible with ps4? this headphone only supports 3.5mm audio interface and ps4 has not this kind of interface. so the headphone is not suitable for ps4. if you use the audio adapter, please make sure whether it is compatible with the adapter.