top quality best price best service 4GB Waterproof MP3 Playper FM Underwater Swimming Sport Swim Surf Run Sliver > Description- Memory: 4GB- Waterproof grade: IPX8- Music formats: MP3, WMA- Bit rate: 32 to 320Kbps- USB: 2.0- Depth: 10 meters below water level- The water in the water Time: 30 minutes at 10 m depth- Rated temperature: 0 - 50 °C- SNR (signal-to-noise ratio):> 85 dB- Headphone output ...