Three-in-one multifunctional headset, Bluetooth mode - radio mode - TF memory card mode Radio mode one key cut shape, T simultaneously long press ""+"" and ""-"" build 2 seconds in turn to switch between radio, Bluetooth, TF card mode TF card mode does not occupy the terminal device, insert TF card, automatically switch to TF card mode, play music from memory card. High quality simulation protein skin soft skin-friendly and comfortable, high quality simulation protein skin, so that the ear cups like skin delicate care you, soft cover the ears, airtight not leak sound, listening to songs more comfortable. Adjustable metal headband, brushed metal, invisible steel bar through the whole headband design, adjustable according to the head shape in multiple positions, stretching natural Professional tuning for superior sound quality and an immersive listening experience Passive noise cancelling cavity design to block out noise and allow you to immerse yourself in your own space Convenient and compact folding design, convenient folding design for easy incorporation of weight retention Multi-functional buttons, multi-functional buttons for easy operation and more efficient use Four colours to choose from to enrich your look and feel New headphones should not be turned on full blast right away, don't turn up the volume to the maximum, otherwise it will easily damage the headphones. Do you want to know the correct way to boil headphones? 1. Drive the headphones at one-third of the normal listening volume for 12 to 24 hours 2Use two-thirds of the normal listening volume to drive the headphones for 12 hours 3Use the normal listening intensity to drive the headphones for 72 hours 4Use normal listening intensity three-quarters of the volume to drive the headphones for 24 hours 5Enter the normal use phase 6, in normal use when the volume is not too large in the highest volume of two-thirds on it 7, take the headset down when sleeping to avoid breaking the headset 8The above are some of the recommendations of the commendation machine insights, you can praise their own machine according to their needs Special tips: 1, please use the headset at an appropriate volume to avoid damage to the sense of hearing. 2, please do not pull the headset to avoid breakage. 3Please do not use the headset when driving a car or riding a bicycle to avoid traffic accidents. 4. Please use the headphones correctly with "L" for the left and "R" for the right 5. You are taking a risk with your headphones when you use high volume If you hear distortion, popping or broken sound when you turn up the volume, you could be damaging your headphone units Maintenance of headphones 1, because the headphone unit is more afraid of dirty, so its mesh part becomes the focus of protection, first of all to ensure clean, do not let the unit part too much contact with dust. 2, the headset line is more delicate, so, in the use of the process should try to avoid pulling, heavy pressure and other artificial damage. 3, the newly purchased headset try not to immediately carry out CS games. Because the CS in a variety of sound effects for the diaphragm is still relatively tight new headset stimulation is still relatively large. So you should first use the more soothing music for a proper "commendation", to be slowly into the state and then normal use. 4, regardless of any headphones are relatively fragile, can not withstand regular wrestling, and more terrible than wrestling is the headphones from a high place down and not directly on the ground, but by something to pull after hanging in mid-air, in the "pull" of a moment on the headphone cable damage is the largest, so we must try to avoid this situation. So it is important to avoid this.