Enjoy Music in No TimeUltra-soft NUBWO NY58 in-ear earphones conform instantly to your ears. 10mm big driver unit delivers clear sound and heavy bass while blocking ambient noise. And it also owns exquisite craftsmanship and fashion appearance.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 noiseUniversal Compatibility: compatible with most audio devices with a standard 3.5mm jack1.2m Cord: offer flexibility and a comfortable length. Can be threaded comfortably through clothing and bagsParameters:- Driving Unit: 10mm- Frequency Range: 20 - 20,000Hz - Sensitivity: 98dB - Impedance: 32 ohm- Cord Length: 1.2m0.049Package weight: 0.074 kg Product Size(L x W x H): 12.00 x 2.00 x 2.00 cm / 4.72 x 0.79 x 0.79 inches Package Size(L x W x H): 17.50 x 3.00 x 9.60 cm / 6.89 x 1.18 x 3.78 inchesPackage Contents: 1 x Earphones, 2 x Earbud