Water Proof Waterproof Fm Radio Mp3 Music Player For Swimming Surfing Spa. Specification: External Memory: No Audio Format Support: MP3, WAV Certification: CE Balanced Out: Yes Dimensions (WxHxD): XXX Have Speakers or Not: No Battery Specification: Polymer Battery Function: FM Radio Bluetooth: No Battery Life: 10 - 20 Hours Model Number: MV28 WIFI: No Operation Mode: Touch Tone Body Material: Plastic Package: Yes Supports FM: Yes Supports Recording Function: No Screen: No Storage Type: Flash Memory Supports EBook Reading: No USB 2.0 Capacity 8GB Power Built-in Li-ion Battery, 200mA Audio Audio Format Support MP3 WMA Max Headphone Output (L) 9mW+(R) 9mW (32Ohm) Frequency Response 20Hz to 20KHz Signal to Noise Ratio 90dB Degree Of Distortion 0.06% FM Receiving Frequency Range 87.0MHz– 108MHz Temperature -40°C ~ 60°C Waterproof IPX8 Support OS Win2000/WinME/Winxp/Vista/Win7, Mac Os 8.6+and Linux Net Weight 38g Package Content: 1 X MP3 Player 1 X USB Cable 1 X Plastic Box . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.