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Black F002 Picture Picture of Black F003 Picture of Orange Ear Pads Headphone Maintenance Knowledge: 1. Because the headphone unit is relatively sensitive to dirt, its mesh cover has become the main focus of protection. It should be kept clean and avoid excessive contact with dust.Do not wipe the earphones with alcohol, thinner, or other solvents; 2. The cable of the headphones is quite delicate, so during use, try to avoid pulling, pressing heavily, or any other form of physical damage.Any headphones are quite fragile and cannot withstand frequent drops. What's even worse than a drop is that after falling from a height, the headphones don't hit the ground directly but are caught by something and hang in mid-air. At that moment of being caught, the damage to the headphone cable is significant, so you must try to avoid this situation 3. Try not to play CS games immediately after buying new headphones.Because the various sound effects in CS can be quite stimulating for new headphones whose diaphragms are still relatively tight.So it's advisable to start with soothing music for proper acclimatization, and then use normally after it gradually enters a state of readiness. 4. To ensure the best performance of the headphones, please wear them correctly with L for the left ear and R for the right ear. After receiving the headphones, do not play them at high volume as they are brand new and the speaker unit has not been well broken in. When first using them at high volume, it can damage the speaker! Headphone Purchase Information: 1. Since headphones are prone to being crushed or damaged during transportation, buyers of each slot should ensure to open the package and check that the goods are intact when receiving delivery from courier or logistics companies.Please sign for receipt again. If the product is damaged during transportation or has uncontrollable quality issues, please make sure to refuse acceptance. 2. The performance of the product is constantly improving and subject to change without prior notice.The picture is for reference only, please refer to the actual product 3. All factory quotes do not include packaging costs, and shipping defaults to regular simple packaging in PE bags. If you need the packaging shown in the picture, please contact customer service for detailed instructions.