RE400i features a 8.5mm coated Titanium driver custom designed and manufactured by HIFIMAN. Superb fit and comfort in a compact size. Utilize special Titanium coatings for remarkable detail and extended frequency response. The addition of Neodymium magnets and premium cabling of Oxygen-Free Copper on RE400i helps deliver all the music as it was originally intended. Convenient hands-free design allows you to talk on the phone clearly and safely at your home, office or on the road.

[Details]

• Frequency Response: 15Hz-22KHz
• Sensitivity: 102dB
• Impedance: 32 Ohms+/- 3.2
• Weight: 13.5g ( 0.47Oz )
• Plug: 3.5mm
• Maximum Input: 30mW
• Compatibility: Universal
• Wearing Style: In-Ear
• Designed for iPhone / iPad / iPod or other Apple products
• Titanium-coated 8.5mm drivers
• Compact size utilizing powerful Neodymium magnets
• Oxygen-Free Copper Cabling
• Advanced ergonomics for comfort and extended listening
• Stylish design and light weight