1.Waterproof MP3 Player & Earphone designed for Swimming、spa and water sports2.High durability aluminum casing with anti-scratch.3.USB rechargeable battery4.Plug & Play5.Stylish design with fluorescent holder to strap onto swimmer goggles.6.Compliant with international IPx8 water resistance standard.7.Compliant with high speed USB 2.0 specification.8.Compliant with Windows 2000/ME/XP/Vista/Win7、 Mac OS 8.6+ and Linux 2.4.09.FM optional.10.In water safety handing scope 3-5metersSpecifications:1.Memory:8GB2.Music Format: MP3、 WMA3.Bit rate: 32-320Kbps4.Temperature Rating: 0 - 50?5.Signal to noise ratio: >85dB6.Output of earphones: 2 x 4mW7.Button Controls: Forward、 Back、 Play/Pause、FM8.Size:2.5cm x 4cm9.Color:blue、redPackage included:1 x MP3 Player1 x Waterproof Earphones1 x USB Cable1 x Sleeve and Armband2 x Waterproof ear plug1 x User manual