?12 Month Warranty?It comes with 3 different size of eartips(S/M/L), choose a better one to fit your ears. and includes 1 pair kz zsn pro headset, 1* earphones cable, and one user manual. 1 year warranty, if there are any questions, problem, issues, pls feel free to contact us, we will give you a reply asap and provide solution. Wish you a happy shopping~Thank again!. ?Noise Reduction & Ergonomic Wearing?kz zsn pro wired earbuds, in the absence of playing music, properly wear earbuds can isolate 26db noise sound, Let you listen to the music details in a noisy environment. Independent sound channel for each driver, the sound will not be distorted, bring you a new kind of auditory sense. Ergonomic design and ear Hook provide you comfortable wearing experience. ?Improved Removable Cable?The kz zsn pro iem upgraded cable with slot protection design. It can effectively protect the pins to avoid breakage and extend the service life. Easy replacement also enables more potential of the earphones. can replace it with other iem cables, search yinyoo cable to get the cable what you need. ?High Performance iem?Yinyoo KZ ZSN PRO in ear monitors earbuds: customized balanced armature and 10mm dynamic driver, which provide excellent bass sound. It’s full of low frequency, rich in details.The sounds signature is balanced, coherent top to bottom with good deep solid bass, clear mid range and beautiful high frequencies. ?Zinc Alloy and Resin Housing Design? KZ ZSN PRO in-ear headphones' cover is made of high quality Zinc Alloy while the cavity is made of imported resin, aluminum alloy vocal cavity. The combination of different materials and the wide range of color options display a modern and eye-catching ,fasionable zsn pro iem earphones.