1. DUAL DRIVERS: Dynamic drivers earbuds feature a mix of BA and DD drivers. Each earbud has a 10mm dynamic diaphragm driver and a 6mm balanced armature driver, increg sound density and extending detail. High resolution with rich textures and full vocals. A truly pure listening experience. Efficient and logical dual driver configuration delivers fluent, soft and detailed sound. 2. MANUAL TUNING SUPPORT: Dual dynamic drivers earbuds support manual tuning, HIFI low frequency, balanced , popular music, beautiful vocals, four sound effects adjustable. Toggle adjustment by the included card for the tuning switch. 3. HIGH AND LOW FREQUENCY: Dual drivers earbuds with appropriate low frequency gain and high frequency response in line with the characteristics of HRTF, so that the headphones have an objective indicator comparable to professional monitor headphones, but not as cold and hard as ordinary monitor headphones, the overall sound and rich feeling. 4. EASY TO USE: IEM earbuds can be connected to a 0.78mm 2Pin interface receiver or adapter to convert to a completely wireless headset with high sound quality. Or connect it to a 0.78mm 2Pin connector headphone cable to make it a wired headset. 5. IEM EARBUDS: HiFi stereo earbuds feature a resin cavity with an aesthetically pleg design that blocks ambient noise to produce a quiet space and experience immersive sound. Lightweight design, stable and comfortable, long wear without pain, noise reduction and noise isolation. Spec: Item Type: Dual Dynamic Drivers Earbuds Material:Resin Wearing Style: Earbuds Driver: 10mm+6mm Double Dynamic Coil Frequency Response Range: 20Hz to 20KHz Sensitivity: 104DB Impedance: 32O Interface: Universal 0.78mm 2Pin Interface How to Use: Use with headset cable or headset wireless adapter (not included) packing list: 2 x Earbuds 4 x Earplugs 1 x Card PinMANUAL TUNING SUPPORT: Dual dynamic drivers earbuds support manual tuning, HIFI low frequency, balanced , popular music, beautiful vocals, four sound effects adjustable. Toggle adjustment by the included card for the tuning switch. HIGH AND LOW FREQUENCY: Dual drivers earbuds with appropriate low frequency gain and high frequency response in line with the characteristics of HRTF, so that the headphones have an objective indicator comparable to professional monitor headphones, but not as cold and hard as ordinary monitor headphones, the overall sound and rich feeling. DUAL DRIVERS: Dynamic drivers earbuds feature a mix of BA and DD drivers. Each earbud has a 10mm dynamic diaphragm driver and a 6mm balanced armature driver, increg sound density and extending detail. High resolution with rich textures and full vocals. A truly pure listening experience. Efficient and logical dual driver configuration delivers fluent, soft and detailed sound. IEM EARBUDS: HiFi stereo earbuds feature a resin cavity with an aesthetically pleg design that blocks ambient noise to produce a quiet space and experience immersive sound. Lightweight design, stable and comfortable, long wear without pain, noise reduction and noise isolation. EASY TO USE: IEM earbuds can be connected to a 0.78mm 2Pin interface receiver or adapter to convert to a completely wireless headset with high sound quality. Or connect it to a 0.78mm 2Pin connector headphone cable to make it a wired headset.