"Work up a sweat as you listen to the tunes with the Sony MDR-AS21 Headphones . Splashproof sound These Sony earphones offer a suitable fit throughout your workout as they hook around your ears in lightweight fashion, with no interference to your exercise. The Sony MDRAS21 won't be affected by water so you can run in all conditions and work out without fearing that any water will compromise performance. Turn up to the max Listen to your favourite tunes in powerful sound thanks to a 13.5mm driver that delivers encompassing noise in such a small pair of earphones. With up to 104dB of crisp, dynamic sound, you can submerse yourself in your music as loud as you like without any distractions whilst you work out. Work out with the practical Sony MDR-AS21 Headphones as you strive towards an impressive performance. Characteristics Headphone Type Ear-hook Headphone Style Active Colour Black Acoustic System Open Cable Single sided Cable Length 1.2m Jack Type & Style 3.5mm Weight 12g Bluetooth No Wireless No Passive Noise Isolating No Active Noise Cancelling No Noise Cancelling No In-Line Microphone No In-Line Volume Control No In-Line Remote No Sweat & Water Resistant Yes Frequency Response 17 - 22,000 Hz Impedance 16 Ohms Maximum Input Power 50 mW Sensitivity 104 dB Accessories Included Clip"