1. HW-390M is a 2.4 GHz wireless headset， specially designed for Xbox 360， PS4， PS3 and PC. Digital wireless technology allows you to operate the headset at a distance of up to 10 meters from the transmitter- allowing you freedom to move around without cable while playing games.2. You can hear both game and chat sounds through the headset because of special circuit design and built-in amplifier.3. Great noise cancellation and the headphones fit snugly over your ears so you can play games at reasonable volume without disturbing those nearby.4. Plug and play: fully support USB2.0， compatible USB1.0/1.1 interface. Good battery life， the headset can be used for about 8 hours after being fully charged.5. Microphone is detachable and adjustable. The headset is made up of 40mm(NdFeB) speakers， the sensitivity is so high that any subtle sounds can be heard clearly. 1.Connect with PC: Use USB cable to connect the transmitter with PC;Pair transmitter and headset.2.Connect with PS3/PS4: Use 3.5 RCA cable to connect with TV and transmitter;Use USB cable to connect with transmitter and PS4/PS3;Pair transmitter and headset.3.Connect with Xbox 360: Use 3.5mm cable to connect with TV and transmitter;Use USB cable to connect the transmitter with Xbox 360; Use 2.5-3.5mm cable to connect the headset with the controller.Specifications:Transmitter:Dimensions: 86x65x20mmWeight: about 34g��not include the cable��Working voltage: 5VWorking current: 90mAFrequency range: 2.400-2.483GHzFrequency space: 2MHzTransmit rate: 3 dBm Receiving/transmit distance: ��10M ， 360��Receiving sensitivity: -85dBm Headset :Dimensions: 195x150x80mmWeight: 171g��not include MIC and connection cable)Working voltage: 3.5-4.2VWorking current: 90 mALithium battery: 800 mAhWorking hours: 8hCharging time: ��4hFrequency range: 2.400-2.483GHzFrequency space: 2MHzTransmit rate: 3dBmSampling frequency: 48KHzModulate mode: GFSKReceiving sensitivity��-85dBmSNR: 75dBSpeaker size: ��40mmSpeaker impedance: 32��Frequency response: 20��20KHzMicrophone sizes: 6*5mmMicrophone sensitivity: -58dBMicrophone direction: Omni directionalMicrophone frequency response: 100Hz-8KHzUSB-USB mini cable length: 1.1RCA-3.5 connection cable: 1.5m2.5-3.5 connection cable: 1mPackaging contents:1. Transmitter----------------1PCS2. Wireless headset------------1PCS3. RCA-3.5 cable--------1PCS 4. USB-USB mini cable-----1PCS5. 3.5-2.5 cable---------1PCS6. Detachable Microphone-----------1PCS7. Manual guide-------------1PCS