Welcome to firstenjoy store.The satisfactions of customer is our greatest pursuit.We provide 12 months warranty,if you have any question about using please feel free to contact us for professional helps. Specification: Model: Bsinger+PRO Speaker diameter: 9mmSensitivity: 93+/- 3dB Impedance: 18 ohms Max. input power: 5m Frequency: 20Hz 20kHz Length: 1.2m (3.93 inch) Plug Type3.5mm Package: - 1 x Pair of In-Ear Monitors - 5 x Pairs of silicone tips - 1x User manual - 1x Carrying case 1.Choose the suitable size tips for your ear 2.Distinguish the right and the left side and connect the driver with the cable 3.Wear the earbuds and use the memory design to adjust for the comfort wearing. 4.Use it on your devise or your studio - CLEAR CRISP SOUND - Dual High-Definition drivers with powerful Neodymium magnets for accurate, balanced sound; BASN in ear monitors provide musicians, whether youre a singer, guitarist, drummer or even a technician with a far more precise representation of the sound onstage - NOISE ISOLATION - Universal-fit IEMs with 5 pairs of medical grade eartips for personalized sizing, provide you a better seal to isolate ambient noise, block out the unwanted external noise and send the signal of your guitar, voice or drums directly to your ears - COMFORTABLE FIT - Ergonomic adjustable ear-hooks keep your earbuds secure in place and mould perfectly to your ear for a comfortable fit, do not have to re-adjust your earphones; Whatever activity you choose, BASN in ear headphones will match perfectly - MMCX CONNECTOR - Works with majority of major brand earphones(such as Shure, Westone, UE), lock-snap mechanism allows 360 degree rotation for flexible fit, these in ear monitors with detachable MMCX cable make you replace or update cable easily and creat your own style - WHAT YOU GET - Complete kit includes a regular stereo cable, a headset cable with microphone & remote for smartphones and tablets, a protective carrying case, 2 purple earpieces, 5 sets of silicone eartips, a cable clip, cleaning tools and user manual; 1-year manufacturer warranty.