X2 3.5MM Music Earphones Enjoy Running with X2User-friendly in-ear design with ultra-soft ear cap, the X2 earphones is a perfect choice for sports enthusiasts. 10mm big driver unit delivers clear sound and heavy bass while blocking ambient noise. And its aluminum alloy case and fashion appearance will make you cooler on the road.Main Features:Clear and Crisp Sound: crystal-clear sound with driving bass, shutting out the world and losing yourself in musicDrive-by-wire: with integrated microphone and remote for iPhone / iPod / iPad, Android and Blackberry audio devicesPerfectly Fit: soft silicone with ergonomic and comfortable in-ear design, blocking outside noise. 2 pairs of additional ear caps ensure the best possible fit for any set of earsUniversal Compatibility: compatible with most audio devices with a standard 3.5mm jack1.25m Cord: offer flexibility and a comfortable length. Can be threaded comfortably through clothing and bagsParameters:- Driving Unit: 10mm- Frequency Range: 20 - 20,000Hz- Sensitivity: 103dB- Impedance: 32 ohm- Cord Length: 1.25m- Plug: 3.5mm Package weight: 0.109 kgPackage Size(L x W x H): 9.00 x 3.50 x 15.00 cm / 3.54 x 1.38 x 5.91 inchesPackage Contents: 1 x Earphones, 2 x Pair of Ear Tips, 1 x Pouch