Bluetooth headphones with in-ear clip for optimal fit . Sweat resistant, rubber coated surface . With headset function . optimal hold due to replaceable ear pads in 3 sizes . Control unit with integrated microphone for easy handling . Stable flat cable . Clip for optimal hold . Incl. USB charging cable . Bluetooth 4.0 . Operation range max. 10m . Charging time 2-3 hours . Playing time 5,5 hours . Extremely light only 14g . For iPhone and smartphone. . . Color:white. Short text:SPORT AIR FITNESS W. EDP.No.:38921. . . Technical data. Sensitivity: 90 dB . Impedance: 32 Ohm . Frequency response: 20 Hz -20 kHz