Northcore™ "Soundwave" earphones are 100% waterproof to a depth of 3m which make them a perfect accessory for all sports and water based activities.  If you use them in the gym the earphones won't be affected by perspiration and if you use them for surfing, or on your SUP, kayaking, sailing etc they aren't going to suffer water damage.  With 10mm aluminium speaker drivers and a standard 3.5mm gold plated jack the sound quality is great.  "Soundwave" earphones also come with a remote mic for conversations and for controlling your device.  "Soundwave" also comes with a set of three sizes of silicon earbuds so you can choose maximum comfort. Waterproof to 3m depth 10mm Aluminium speaker drivers 3.5mm gold plated jack Remote mic Set of three sizes of silicon earbuds Frequency Range: 20-20K(Hz) Impedance: 16 Ohm Sound Pressure Level: 102dB Audio Jack Plug: standard Total length of earphones: 120cm