MP3 Player Sony WALKMAN NWW-S623B, Black:Are you looking for a companion for sports activities, but all your friends are too lazy? The Sony WALKMAN NWW-S623 MP3 player in headphones is the perfect partner at all weather conditions. This player is waterproof, resistant to salt water, dustproof, but it is also able to withstand extreme temperatures from -5°C to 45°C. The maximum comfort is ensured by a lightweight, comfortable design with ergonomic features. You can play music via NFC and Bluetooth wireless technology from your smartphone or directly from the device that has 4GB storage space for your songs. The Sony WALKMAN will last for 12hrs of continuous playback, but if the player runs out of power, there is a 3-minute charge time to listen for additional 60 min.MP3 player for listening to music in extreme conditionsThe surround sound mode with built-in microphones will enable you to listen to your friends or coach without having to stop the music playback. If you go into the water, you need to replace the standard earbuds with waterproof ones that prevent damage within the headphones with water and also enables you to adjust the sound levels for underwater listening. Using the built-in microphone, you can receive hands-free calls without having to make a pause during your workout.Key features Sony WALKMAN NWW-S623B MP3 player blackWireless sports MP3 playerWaterproof, suitable for extreme conditionsLightweight, comfortable designSurround sound modeNFC and Bluetooth technologyBattery life 12hrsSony WALKMAN NWW-S623 quick charging within 3 minBuilt-in microphone for hands-free callsStorage capacity:4GBBattery life:12hrsSupported formats:MP3, AAC, FLAC, LPCMWeight:32gColour:Black